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Overview

Uniprot IDQ13939
Protein NameCalicin
Gene NameCCIN
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
400 IYRYDERKEVWCLAG

Function

Required for both nuclear and acrosomal shaping during spermiogenesis

Protein Sequence

10 MKLEFTEKNY 20 NSFVLQNLNR 30 QRKRKEYWDM 40 ALSVDNHVFF 50 AHRNVLAAVS 60 PLVRSLISSN 70 DMKTADELFI 80 TIDTSYLSPV 90 TVDQLLDYFY 100 SGKVVISEQN 110 VEELLRGAQY 120 FNTPRLRVHC 130 NDFLIKSICR 140 ANCLRYLFLA 150 ELFELKEVSD 160 VAYSGIRDNF 170 HYWASPEGSM 180 HFMRCPPVIF 190 GRLLRDENLH 200 VLNEDQALSA 210 LINWVYFRKE 220 DREKYFKKFF 230 NYINLNAVSN 240 KTLVFASNKL 250 VGMENTSSHT 260 TLIESVLMDR 270 KQERPCSLLV 280 YQRKGALLDS 290 VVILGGQKAH 300 GQFNDGVFAY 310 IIQENLWMKL 320 SDMPYRAAAL 330 SATSAGRYIY 340 ISGGTTEQIS 350 GLKTAWRYDM 360 DDNSWTKLPD 370 LPIGLVFHTM 380 VTCGGTVYSV 390 GGSIAPRRYV 400 SNIYRYDERK 410 EVWCLAGKMS 420 IPMDGTAVIT 430 KGDRHLYIVT 440 GRCLVKGYIS 450 RVGVVDCFDT 460 STGDVVQCIT 470 FPIEFNHRPL 480 LSFQQDNILC 490 VHSHRQSVEI 500 NLQKVKASKT 510 TTSVPVLPNS 520 CPLDVSHAIC 530 SIGDSKVFVC 540 GGVTTASDVQ 550 TKDYTINPNA 560 FLLDQKTGKW 570 KTLAPPPEAL 580 DCPACCLAKL PCKILQRI

Gene Ontology

Classification GO ID Description
Cellular Component GO:0031463 Cul3-RING ubiquitin ligase complex
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0033150 cytoskeletal calyx
Cellular Component GO:0005634 nucleus
Cellular Component GO:0033011 perinuclear theca
Cellular Component GO:0120238 sperm glycocalyx
Molecular Function GO:1990756 ubiquitin-like ligase-substrate adaptor activity
Biological Process GO:0030154 cell differentiation
Biological Process GO:0043161 proteasome-mediated ubiquitin-dependent protein catabolic process
Biological Process GO:0007283 spermatogenesis

Reference

[1] Yan M, Tu H, Tang S, Gai Z, Shi Q et al.. Lactylated Proteomic Analysis Reveals Functional Implications of Lysine Lactylation In Asthenozoospermia.. Mol Cell Proteomics 24(12):101439. 2025 Dec. PMID: 41192556.