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Song E, Mechref Y. LC-MS/MS identification of the O-glycosylation and hydroxylation of amino acid residues of collagen α-1 (II) chain from bovine cartilage. J Proteome Res 2013; 12:3599-609. [PMID: 23879958 DOI: 10.1021/pr400101t] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
O-Glycosylation of collagen is a unique type of posttranslational modifications (PTMs) involving the attachment of galactose (Gal) or glucose-galactose (Glc-Gal) moieties to hydroxylysine (HyK). Also, hydroxyproline (HyP) result from the posttranslational hydroxylation of some proline residues in collagen. Here, LC-MS/MS was effectively employed to identify 23 O-glycosylation sites and a large number of HyP residues associated with bovine type II collagen α-1 chain (CO2A1). The modifications of the 23 O-glycosylation sites varied qualitatively and quantitatively. Both Gal and Glc-Gal moieties occupied 22 of the identified glycosylation sites, while K773 was observed as unmodified. A large number of HyP residues at Yaa positions of Gly-Xaa-Yaa motif were detected. HyP residues at Xaa positions of Gly-HyP-HyP, Gly-HyP-Ala, and Gly-HyP-Val motifs were also observed. Notably, HyP residue of Gly-HyP-Gln motif was detected, which has not been previously reported. Moreover, the deamidation of 8 Asn residues was identified, of which 2 Asp residues were observed at different retention times because of isomerization (Asp vs isoAsp). Partial macroheterogeneities of some CO2A1 glycosylation sites were revealed by LC-MS/MS analysis. ETD experiments revealed partial macroheterogeneities associated with K299-K308, K452-K464, K464-K470, and K857-K884 glycosylation sites. Semiquantitative data suggest that the glycosylation of hydroxylysine residues is site-specific.
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Affiliation(s)
- Ehwang Song
- Department of Chemistry and Biochemistry, Texas Tech University , Lubbock, Texas 79409, USA
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Taga Y, Kusubata M, Ogawa-Goto K, Hattori S. Development of a novel method for analyzing collagen O-glycosylations by hydrazide chemistry. Mol Cell Proteomics 2012; 11:M111.010397. [PMID: 22247541 DOI: 10.1074/mcp.m111.010397] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
In recent years, glycopeptide purification by hydrazide chemistry has become popular in structural studies of glycoconjugates; however, applications of this method have been almost completely restricted to analysis of the N-glycoproteome. Here we report a novel method for analyzing O-glycosylations unique to collagen, which are attached to hydroxylysine and include galactosyl-hydroxylysine and glucosyl-galactosyl-hydroxylysine. We established a hydrazide chemistry-based glycopeptide purification method using (1) galactose oxidase to introduce an aldehyde into glycopeptides and (2) formic acid with heating to elute the bound glycopeptides by cleaving the hydrazone bond. This method allows not only identification of O-glycosylation sites in collagen but also concurrent discrimination of two types of carbohydrate substitutions. In bovine type I and type II collagens, galactosyl-hydroxylysine /glucosyl-galactosyl-hydroxylysine -containing peptides were specifically detected on subsequent comprehensive liquid chromatography (LC)/MS analysis, and many O-glycosylation sites, including unreported ones, were identified. The position of glycosylated hydroxylysine, which is determined by our unambiguous and simple method, could provide insight into the physiological role of the modifications.
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Affiliation(s)
- Yuki Taga
- Nippi Research Institute of Biomatrix, Toride, Ibaraki 302-0017, Japan.
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Tang B, Chiang TM, Brand DD, Gumanovskaya ML, Stuart JM, Kang AH, Myers LK. Molecular definition and characterization of recombinant bovine CB8 and CB10: immunogenicity and arthritogenicity. Clin Immunol 1999; 92:256-64. [PMID: 10479530 DOI: 10.1006/clim.1999.4755] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Theoretically, the ability to produce recombinant type II collagen (CII) peptide fragments in a prokaryotic expression system would be extremely useful for preparing adequate amounts of CII peptides suitable for therapeutic uses. Bacteria do not contain the enzymes involved in the extensive posttranslational modifications that occur during the biosynthesis of CII, such as the hydroxylation of prolyl and lysyl residues and glycosylation of hydroxylysyl residues. As these posttranslational modifications may play a role in the immune and arthritogenic response to CII, it was unclear whether collagen expressed in Escherichia coli would be immunologically comparable to tissue-derived CII. Therefore, we prepared recombinant proteins for CB8 and CB10 by cloning CB8 (CII 403-551) and CB10 (CII 552-897) genes from bovine chondrocytes by RT-PCR technique and expressing them in an E. coli expression system. Characterization of these recombinant proteins revealed that both rCB8 and rCB10 stimulated T cell proliferation in a T cell determinant-specific manner. The T cells from mice immunized with rCB8 respond specifically to a synthetic peptide, CII 445-453, the CB8 T cell determinant. Conversely, rCB10-primed T cells respond strongly to CII 610-618, the CB10 T cell determinant. Recombinant CB8-induced autoantibodies that bound to mouse CB8 as effectively and in the same topographic distribution as tissue-derived CB8. Finally, when rCB8 and rCB10 proteins were used to immunize B10.RIII (H-2(r)) mice, rCB8 induced arthritis in 33% of the mice, very similar to the incidence induced by tissue-derived CB8 peptide. As was found to be the case with tissue-derived CB10, rCB10 was completely ineffective in inducing arthritis. Pathological changes of arthritic joints in the mice immunized with rCB8 were similar to those observed in mice immunized with tissue-derived CB8. Thus, these recombinant CII peptides expressed in E. coli can induce an effective immunologic response and suggest that functionally useful CII peptides can be generated by the prokaryotic expression system.
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Affiliation(s)
- B Tang
- Departments of Pediatrics, Biochemistry and Medicine, University of Tennessee, Memphis, Tennessee, 38163, USA
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Miyahara H, Myers LK, Rosloniec EF, Brand DD, Seyer JM, Stuart JM, Kang AH. Identification and characterization of a major tolerogenic T-cell epitope of type II collagen that suppresses arthritis in B10.RIII mice. Immunol Suppl 1995; 86:110-5. [PMID: 7590869 PMCID: PMC1383817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Tolerization of B10.RIII mice (H-2r) with intravenously injected type II collagen (CII) renders the animals resistant to induction of collagen-induced arthritis (CIA). In order to clarify H-2r-restricted T-cell responses that modulate CIA, we have analysed the T-cell proliferative response of B10.RIII mice against cyanogen bromide (CB) peptides of CII, and detected the strongest response to alpha 1(II)-CB10 (CII 552-897). A panel of chemically synthesized overlapping peptide homologues was used to deduce the minimum structure of this determinant which was found to be CII 610-618. A 15-residue synthetic peptide flanking this region, CII 607-621, was found to effectively suppress arthritis when administered as a tolerogen. Collectively, these data identify the structural component within alpha 1(II)-CB10 which is capable of inducing tolerance in B10.RIII mice. A similar approach to the treatment of autoimmune arthritis, involving the institution of self-tolerance, has potential applicability to human rheumatoid arthritis.
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Affiliation(s)
- H Miyahara
- Department of Pediatrics, University of Tennessee, Memphis 38163, USA
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Abstract
Mammalian collagenases cleave all three alpha chains of native, triple-helical types I, II, and III collagens after the Gly residue of the partial sequence Gly-[Ile or Leu]-[Ala or Leu] at a single locus approximately three-fourths from the amino terminus. There are an additional 31 sites in the triple-helical regions of types I, II, III, and IV collagens that contain the same partial sequence but are not hydrolyzed. A model has been developed to explain this remarkable specificity. The mammalian collagenase cleavage site in interstitial collagens is distinguished by: (a) a low side-chain molal volume-, high imino acid (greater than 33%)-containing region that is tightly triple-helical, consisting of four Gly-X-Y triplets preceding the cleavage site, (b) a low imino acid-containing (less than 17%), loosely triple-helical region consisting of four Gly-X-Y triplets following the cleavage site, and (c) a maximum of one charged residue for the entire 25 residue cleavage site region, which is always an Arg that follows the cleavage site in subsite P'5 or P'8. In addition, the high imino acid-containing region cannot have an imino acid adjacent to the cleaved Gly-[Ile or Leu] bond (i.e. in subsite P2). Careful scrutiny of the 31 non-cleaved sequences reveals that none of those sites shares all of the characteristics of the cleavage site. The criterion of this model thus explain both cleaved and non-cleaved sequences in the triple-helical regions of types I, II, III, and IV collagen, and are supported by all known experimental and theoretical results on collagen catabolism and structure.
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Affiliation(s)
- G B Fields
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis 55455
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Netzel-Arnett S, Fields GB, Birkedal-Hansen H, Van Wart HE, Fields G. Sequence specificities of human fibroblast and neutrophil collagenases. J Biol Chem 1991. [DOI: 10.1016/s0021-9258(20)89563-5] [Citation(s) in RCA: 76] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Guidry C, Miller E, Hook M. A second fibronectin-binding region is present in collagen alpha chains. J Biol Chem 1990. [DOI: 10.1016/s0021-9258(17)30648-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Baldwin CT, Reginato AM, Smith C, Jimenez SA, Prockop DJ. Structure of cDNA clones coding for human type II procollagen. The alpha 1(II) chain is more similar to the alpha 1(I) chain than two other alpha chains of fibrillar collagens. Biochem J 1989; 262:521-8. [PMID: 2803268 PMCID: PMC1133299 DOI: 10.1042/bj2620521] [Citation(s) in RCA: 88] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Overlapping cDNA clones were isolated for human type II procollagen. Nucleotide sequencing of the clones provided over 2.5 kb of new coding sequences for the human pro alpha 1(II) gene and the first complete amino acid sequence of type II procollagen from any species. Comparison with published data for cDNA clones covering the entire lengths of the human type I and type III procollagens made it possible to compare in detail the coding sequences and primary structures of the three most abundant human fibrillar collagens. The results indicated that the marked preference in the third base codons for glycine, proline and alanine previously seen in other fibrillar collagens was maintained in type II procollagen. The domains of the pro alpha 1(II) chain are about the same size as the same domains of the pro alpha chains of type I and type III procollagens. However, the major triple-helical domain is 15 amino acid residues less than the triple-helical domain of type III procollagen. Comparison of hydropathy profiles indicated that the alpha chain domain of type II procollagen is more similar to the alpha chain domain of the pro alpha 1(I) chain than to the pro alpha 2(I) chain or the pro alpha 1(III) chain. The results therefore suggest that selective pressure in the evolution of the pro alpha 1(II) and pro alpha 1(I) genes is more similar than the selective pressure in the evolution of the pro alpha 2(I) and pro alpha 1(III) genes.
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Affiliation(s)
- C T Baldwin
- Department of Biochemistry and Molecular Biology, Jefferson Medical College, Thomas Jefferson University, Philadelphia, PA 19107
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Ibrahim J, Harding JJ. Pinpointing the sites of hydroxylysine glycosides in peptide alpha 1-CB7 of bovine corneal collagen, and their possible role in determining fibril diameter and thus transparency. BIOCHIMICA ET BIOPHYSICA ACTA 1989; 992:9-22. [PMID: 2752043 DOI: 10.1016/0304-4165(89)90044-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Two cyanogen bromide fragments (alpha 1-CB7 and alpha 1-CB8) of bovine corneal stromal collagen have been isolated and characterized. These added to those characterized in our previous work account for 95% of the amino acid sequence of the alpha 1(1)-chain. The hydroxylysine glycoside content of each fragment was determined and in this way the general distribution of glycoside over the entire molecule was deduced accounting for all the galactosylhydroxylysine and most of the glucosylgalactosylhydroxylysine of this heavily glycosylated type I collagen. The characterization of fragments alpha 1-CB7 and alpha 1-CB8 has enabled us to resolve the controversy over the relative mobilities of these fragments on SDS gels. Fragment alpha 1-CB7 of bovine corneal collagen was digested by trypsin and by staphylococcal proteinase V8. The resultant peptides were isolated by gel and ion-exchange chromatography and identified in relation to the known amino acid sequence of type I collagen. The hydroxylysine glycosides were determined in the relevant peptides providing a complete account of their distribution along this part of the collagen molecule. Most of the glycoside was found in the gap region of collagen especially near the edges of the axial holes where it could act as a peg to facilitate fibre formation. In addition, some glycoside was found in the overlap region where, being unable to fit into axial holes, it might impede the growth of the fibre and, with other glycoside of the overlap region, might be responsible for the narrow fibres of corneal collagen that are essential for corneal transparency. This glycoside, with that previously found in the peptide alpha 1-CB3 is the only hydroxylysine glycoside identified in the overlap region of a type I collagen.
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Affiliation(s)
- J Ibrahim
- Nuffield Laboratory of Ophthalmology, University of Oxford, U.K
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Seyer JM, Hasty KA, Kang AH. Covalent structure of collagen. Amino acid sequence of an arthritogenic cyanogen bromide peptide from type II collagen of bovine cartilage. EUROPEAN JOURNAL OF BIOCHEMISTRY 1989; 181:159-73. [PMID: 2714276 DOI: 10.1111/j.1432-1033.1989.tb14707.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Bovine articular type II collagen was prepared by limited pepsin digestion, differential salt fractionation and carboxymethylcellulose chromatography. Cyanogen bromide digestion of purified type II collagen alpha chains yielded twelve distinct peptides designated CB1-12. The peptide alpha 1(II)-CB11 was isolated by carboxymethylcellulose chromatography and Sephadex G-75S gel filtration. Automated Edman degradation together with chymotrypsin, thermolysin and trypsin digestion enabled identification of its complete amino acid sequence. Compared with type I and type III collagen, the data show similarity with alpha 1(I)-CB8 and alpha 1(III)-CB6-1-8-10-2 peptides, respectively. The peptide is located within residues 124-402 of the alpha 1(II) collagen chain and with its identification, now extends the known amino acid sequence of bovine type II cartilage collagen to 660 amino acid residues including alpha 1(II)-CB1-2-6-12-11-8-10 (partial). This corresponds to alpha 1(I)-CB0-1-2-4-5-8-3-7 (partial; 1-660) and alpha 1(III)-CB3A-3B-3C-7-6-1-8-10-2-4-5 (partial; 1-660) of bovine alpha 1(I) and alpha 1(III) collagen chains.
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Affiliation(s)
- J M Seyer
- Connective Tissue Research Laboratory, Veterans Administration Medical Center, Memphis, TN 38104
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Sheren SB, Eikenberry EF, Broek DL, van der Rest M, Doering T, Kelly J, Hardt T, Brodsky B. Type II collagen of lamprey. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. B, COMPARATIVE BIOCHEMISTRY 1986; 85:5-14. [PMID: 3769459 DOI: 10.1016/0305-0491(86)90214-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The major collagen in lamprey notochord is type II, as determined by its amino acid composition and solubility properties. This collagen has a distribution of charged residues indistinguishable from higher vertebrate Type II collagens as judged by its SLS banding pattern. Lamprey type II collagen has a higher thermal stability than lamprey skin collagen, in contrast to the identical melting temperatures for these types in mammals. A minor collagen in lamprey notochord has solubility properties, amino acid composition, and electrophoretic mobility similar to that of 1 alpha, 2 alpha, 3 alpha collagen in human cartilage.
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Abstract
Collagen genes appear to have been assembled by the tandem repetition of homologous primary (9 base pair), secondary (54 base pair), and tertiary (702 base pair) modules. In vertebrate interstitial collagen genes many of the secondary modules are separated by introns, but in invertebrate collagen genes the non-coding sequences lie near the ends of supposed tertiary modules and are therefore about 702 (54 X 13) base pairs apart. The genes for vertebrate interstitial collagens (types I-III) seem to have been constructed by the tandem repetition of five tertiary modules, three of which were subsequently shortened by internal deletions. This shortening of the gene resulted in the non-integral relationship between the period of the fibrils and the length of the molecules of vertebrate collagens, and was therefore responsible for the mechanical properties of the completed product. Comparisons of the amino acid sequences of various collagens indicate that the main types of collagen evolved about 800-900 million years ago, a date that agrees well with the fossil record of primitive Metazoa.
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Monson JM, McCarthy BJ. Identification of a Balb/c mouse pro alpha 1(I) procollagen gene: evidence for insertions or deletions in gene coding sequences. DNA (MARY ANN LIEBERT, INC.) 1981; 1:59-69. [PMID: 6219867 DOI: 10.1089/dna.1.1981.1.59] [Citation(s) in RCA: 35] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
We report the first isolation and identification of a mouse genomic fragment encoding amino acid sequences for the pro alpha 1(I) chain of type I procollagen. The DNA sequence of eight coding sequences is presented; five of these are 54 bp and three are 108 bp in length. Together these specify 198 amino acids which are 94% homologous to the corresponding bovine pro alpha 1(I) chain protein sequences. Each of the eight coding sequences is flanked by appropriate splice-junction sequences that exhibit considerable sequence complementarity to the rat small nuclear U1a RNA. In the 198 codons examined in this mouse genomic clone, the preferred codons for glycine and alanine are GGU (46/67) and GCU (23/30), respectively. This is in contrast to the codon usage reported for the chicken pro alpha 1(I) cDNA clone (Fuller and Boedtker, 1981). The examined coding sequences exhibit considerable nucleotide homology in both end-to-end and in staggered alignments. Based on an analysis of this homology data, a model is presented for the generation of 108-bp coding sequences from 54-bp units by two successive homologous recombinational events within coding sequences. Alternatively, the 108-bp units may have arisen by precise deletions of an intervening sequence between 54-bp coding sequences. Evidence supporting this is provided by a comparison of pro alpha 1(I) and pro alpha 2(I) genes. In the mouse pro alpha 1(I) gene amino acids 856-891 are encoded in a 108-bp unit; the chicken pro alpha 2(I) gene these residues are encoded in two 54-bp coding sequences. In addition, the coding sequences for nearly 50% of the alpha domain are condensed in the pro alpha 1(I) gene into a region approximately one half the size occupied by the comparable sequences in the pro alpha 2(I) gene.
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Liang JN, Chakrabarti B. Spectroscopic studies on pepsin-solubilized vitreous and cartilage collagens. Curr Eye Res 1981; 1:175-81. [PMID: 6794986 DOI: 10.3109/02713688109001823] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Circular dichroism and the fluorescent probe, 2-p-toluidinyl-naphthalene-6-sulfonate, were used to compare the molecular properties of pepsin-solubilized vitreous collagen with cartilage and calfskin collagens. Type II vitreous and cartilage collagens have more hydrophobic regions along their molecular domain than does type I calfskin collagen. The rate of fibril growth is faster in type II collagens than in type I. The increased hydrophobicity of type II collagens is attributed to high carbohydrate content and compositional variations. Although the secondary structures of the three collagens do not differ significantly, differences in carbohydrate content, composition, and hydrophobic character may cause some variations in the tertiary structures. It is suggested that the tertiary structure plays an important role in the nature and rate of fibril growth. Differences between cartilage and vitreous collagen in fluorescence behavior, fibril growth, and melting temperature indicate that vitreous collagen may be a "special type II collagen."
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