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Overview

Uniprot IDP50454
Protein NameSerpin H1
Gene NameSERPINH1
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
287 RLEKLLTKEQLKIWM
300 WMGKMQKKAVAISLP
332 GLTEAIDKNKADLSR

Function

Binds specifically to collagen. Could be involved as a chaperone in the biosynthetic pathway of collagen

Protein Sequence

10 MRSLLLLSAF 20 CLLEAALAAE 30 VKKPAAAAAP 40 GTAEKLSPKA 50 ATLAERSAGL 60 AFSLYQAMAK 70 DQAVENILVS 80 PVVVASSLGL 90 VSLGGKATTA 100 SQAKAVLSAE 110 QLRDEEVHAG 120 LGELLRSLSN 130 STARNVTWKL 140 GSRLYGPSSV 150 SFADDFVRSS 160 KQHYNCEHSK 170 INFRDKRSAL 180 QSINEWAAQT 190 TDGKLPEVTK 200 DVERTDGALL 210 VNAMFFKPHW 220 DEKFHHKMVD 230 NRGFMVTRSY 240 TVGVMMMHRT 250 GLYNYYDDEK 260 EKLQIVEMPL 270 AHKLSSLIIL 280 MPHHVEPLER 290 LEKLLTKEQL 300 KIWMGKMQKK 310 AVAISLPKGV 320 VEVTHDLQKH 330 LAGLGLTEAI 340 DKNKADLSRM 350 SGKKDLYLAS 360 VFHATAFELD 370 TDGNPFDQDI 380 YGREELRSPK 390 LFYADHPFIF 400 LVRDTQSGSL 410 LFIGRLVRPK GDKMRDEL

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005783 endoplasmic reticulum
Cellular Component GO:0005788 endoplasmic reticulum lumen
Cellular Component GO:0005793 endoplasmic reticulum-Golgi intermediate compartment
Cellular Component GO:0031012 extracellular matrix
Cellular Component GO:0005615 extracellular space
Cellular Component GO:0045121 membrane raft
Molecular Function GO:0005518 collagen binding
Molecular Function GO:0003723 RNA binding
Molecular Function GO:0004867 serine-type endopeptidase inhibitor activity
Molecular Function GO:0051082 unfolded protein binding
Biological Process GO:0030199 collagen fibril organization
Biological Process GO:0006986 response to unfolded protein

Reference

[1] Yang D, Yin J, Shan L, Yi X, Zhang W et al.. Identification of lysine-lactylated substrates in gastric cancer cells.. iScience 25(7):104630. 2022 Jul 15. PMID: 35800753.

[2] Yang Z, Yan C, Ma J, Peng P, Ren X et al.. Lactylome analysis suggests lactylation-dependent mechanisms of metabolic adaptation in hepatocellular carcinoma.. Nat Metab 5(1):61-79. 2023 Jan. PMID: 36593272.

[3] Wu Q, Li Z, Gong T, Zheng X, Zhou X et al.. Porphyromonas gingivalis infection induces lysine lactylation reprogramming in human umbilical vein endothelial cells.. Front Cell Infect Microbiol 16:1706727. 2026. PMID: 41696360.