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Overview

Uniprot IDQ96S66
Protein NameChloride channel CLIC-like protein 1
Gene NameCLCC1
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
110 KILIEAGKLGLPDEN

Function

Anion-selective channel with Ca(2+)-dependent and voltage-independent gating. Permeable to small monovalent anions with selectivity for bromide > chloride > nitrate > fluoride (By similarity). Operates in the endoplasmic reticulum (ER) membrane where it mediates chloride efflux to compensate for the loss of positive charges from the ER lumen upon Ca(2+) release. Contributes to the maintenance of ER Ca(2+) pools and activation of unfolded protein response to prevent accumulation of misfolded proteins in the ER lumen. Particularly involved in ER homeostasis mechanisms underlying motor neurons and retinal photoreceptors survival (By similarity) (PubMed:25698737, PubMed:30157172, PubMed:37142673)

Protein Sequence

10 MLCSLLLCEC 20 LLLVAGYAHD 30 DDWIDPTDML 40 NYDAASGTMR 50 KSQAKYGISG 60 EKDVSPDLSC 70 ADEISECYHK 80 LDSLTYKIDE 90 CEKKKREDYE 100 SQSNPVFRRY 110 LNKILIEAGK 120 LGLPDENKGD 130 MHYDAEIILK 140 RETLLEIQKF 150 LNGEDWKPGA 160 LDDALSDILI 170 NFKFHDFETW 180 KWRFEDSFGV 190 DPYNVLMVLL 200 CLLCIVVLVA 210 TELWTYVRWY 220 TQLRRVLIIS 230 FLFSLGWNWM 240 YLYKLAFAQH 250 QAEVAKMEPL 260 NNVCAKKMDW 270 TGSIWEWFRS 280 SWTYKDDPCQ 290 KYYELLLVNP 300 IWLVPPTKAL 310 AVTFTTFVTE 320 PLKHIGKGTG 330 EFIKALMKEI 340 PALLHLPVLI 350 IMALAILSFC 360 YGAGKSVHVL 370 RHIGGPESEP 380 PQALRPRDRR 390 RQEEIDYRPD 400 GGAGDADFHY 410 RGQMGPTEQG 420 PYAKTYEGRR 430 EILRERDVDL 440 RFQTGNKSPE 450 VLRAFDVPDA 460 EAREHPTVVP 470 SHKSPVLDTK 480 PKETGGILGE 490 GTPKESSTES 500 SQSAKPVSGQ 510 DTSGNTEGSP 520 AAEKAQLKSE 530 AAGSPDQGST 540 YSPARGVAGP 550 RGQDPVSSPC G

Gene Ontology

Classification GO ID Description
Cellular Component GO:0034707 chloride channel complex
Cellular Component GO:0005783 endoplasmic reticulum
Cellular Component GO:0005789 endoplasmic reticulum membrane
Cellular Component GO:0016020 membrane
Cellular Component GO:0044233 mitochondria-associated endoplasmic reticulum membrane contact site
Molecular Function GO:0005254 chloride channel activity
Biological Process GO:0032469 endoplasmic reticulum calcium ion homeostasis

Reference

[1] He C, Zhang J, Bai X, Lu C, Zhang K. Lysine lactylation-based insight to understanding the characterization of cervical cancer.. Biochim Biophys Acta Mol Basis Dis 1870(7):167356. 2024 Oct. PMID: 39025375.