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Overview

Uniprot IDP25067
Protein NameCollagen alpha-2(VIII) chain
Gene NameCOL8A2
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
652 TYTYDEYKKGYLDQA

Function

Macromolecular component of the subendothelium. Major component of the Descemet's membrane (basement membrane) of corneal endothelial cells. Also a component of the endothelia of blood vessels. Necessary for migration and proliferation of vascular smooth muscle cells and thus, has a potential role in the maintenance of vessel wall integrity and structure, in particular in atherogenesis (By similarity)

Protein Sequence

10 MLGTLTPLSS 20 LLLLLLVLVL 30 GCGPRASSGG 40 GAGGAAGYAP 50 VKYIQPMQKG 60 PVGPPFREGK 70 GQYLEMPLPL 80 LPMDLKGEPG 90 PPGKPGPRGP 100 PGPPGFPGKP 110 GMGKPGLHGQ 120 PGPAGPPGFS 130 RMGKAGPPGL 140 PGKVGPPGQP 150 GLRGEPGIRG 160 DQGLRGPPGP 170 PGLPGPSGIT 180 IPGKPGAQGV 190 PGPPGFQGEP 200 GPQGEPGPPG 210 DRGLKGDNGV 220 GQPGLPGAPG 230 QGGAPGPPGL 240 PGPAGLGKPG 250 LDGLPGAPGD 260 KGESGPPGVP 270 GPRGEPGAVG 280 PKGPPGVDGV 290 GVPGAAGLPG 300 PQGPSGAKGE 310 PGTRGPPGLI 320 GPTGYGMPGL 330 PGPKGDRGPA 340 GVPGLLGDRG 350 EPGEDGEPGE 360 QGPQGLGGPP 370 GLPGSAGLPG 380 RRGPPGPKGE 390 AGPGGPPGVP 400 GIRGDQGPSG 410 LAGKPGVPGE 420 RGLPGAHGPP 430 GPTGPKGEPG 440 FTGRPGGPGV 450 AGALGQKGDL 460 GLPGQPGLRG 470 PSGIPGLQGP 480 AGPIGPQGLP 490 GLKGEPGLPG 500 PPGEGRAGEP 510 GTAGPTGPPG 520 VPGSPGITGP 530 PGPPGPPGPP 540 GAPGAFDETG 550 IAGLHLPNGG 560 VEGAVLGKGG 570 KPQFGLGELS 580 AHATPAFTAV 590 LTSPFPASGM 600 PVKFDRTLYN 610 GHSGYNPATG 620 IFTCPVGGVY 630 YFAYHVHVKG 640 TNVWVALYKN 650 NVPATYTYDE 660 YKKGYLDQAS 670 GGAVLQLRPN 680 DQVWVQMPSD 690 QANGLYSTEY 700 IHSSFSGFLL CPT

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005604 basement membrane
Cellular Component GO:0005591 collagen type VIII trimer
Cellular Component GO:0071953 elastic fiber
Cellular Component GO:0005788 endoplasmic reticulum lumen
Cellular Component GO:0031012 extracellular matrix
Cellular Component GO:0005576 extracellular region
Molecular Function GO:0005201 extracellular matrix structural constituent
Molecular Function GO:0030020 extracellular matrix structural constituent conferring tensile strength
Molecular Function GO:0030674 protein-macromolecule adaptor activity
Biological Process GO:0001525 angiogenesis
Biological Process GO:0070831 basement membrane assembly
Biological Process GO:0098609 cell-cell adhesion
Biological Process GO:0030198 extracellular matrix organization

Reference

[1] Lin Y, Chen M, Wang D, Yu Y, Chen R et al.. Multi-Proteomic Analysis Reveals the Effect of Protein Lactylation on Matrix and Cholesterol Metabolism in Tendinopathy.. J Proteome Res 22(6):1712-1722. 2023 Jun 2. PMID: 37159428.