Protein Details: Cation channel sperm-associated auxiliary subunit epsilon

Protein ID

ICDB_Pro_0333

Protein Name

Cation channel sperm-associated auxiliary subunit epsilon

Gene Name

Catspere; Catspere1; Gm7068

Organism

Mus musculus (Mouse)

Length

985 amino acids

AlphaFoldDB

AF-P0DP43-F1-model_v4.pdb

Function

Auxiliary component of the CatSper complex; a complex involved in sperm cell hyperactivation. Sperm cell hyperactivation is needed for sperm motility which is essential late in the preparation of sperm for fertilization.

Sequence

MPSAGQRKPGSLLALQALQKWLLRGGVGAMLARQVVAALLLWLSCCVSALWRYYINSQDYSIFSTRSSIKLEYEGNSFVSWKIPESCKVENTTSPKTTLHCKRAGIHTIKPIAGNQEVERHLTVDNSYICYLWYFTVVDVYYNLSQIVTIWVYDPESASTEELIWTAKKPSLSSRVLTKQMNTLGQRPFIFTVEKRLTYHPGPLTSEGTWVIHLPMSSDDIAKVIRGNKVAFQDCFIANLYFMLTYPMTIISEPPGYEPLTVPPGSPLMLSWDTCISTFALLATDQETFQTNDSFQTWTRVRAPPGILSDAQRHSLRDVIIFDQGTLFLVDGTVYLRTEDEFTKLDESRGISETGILGFSKRRWCQIRYLYKLASKKSILIAWSKTTVYAGYATFRFVTLTDTAKLKDFLKLPQTDTLEVMSVEYLWHPLEAAVLLSHCSVCTTNTRNIRIVIYSAIFQTWTLQDFELQLPKEAILEFRFLYSAMPDIIMWDQHHVYYSYKNFTVVGTISTPSGETNLSSLSQGSKIHQVLTDRIGNVVVKMENNVMFYIKADITEAVILHTWVNTTAKTVVLFDKSFEVCILYYNENLDEKYQLQTQPYPLILELQSINKDLGDWCPYLAFQHNIHSQFYHMDKGESLTIWSQIVYPENRGLYIVVEHYGSSVMTWTQNLEYEIASGFCTKTMITRFFQTTNYELVDNYYQLQKENTGLMLLQFRPSEFSRTCLTAKPVFEIDVGCDSSKYIMVRGFNKSRCQRRDFSYVIDKELLRESLSDNLKVRYDVAKYGCPLTLELGQMFQPIVELYDENGFIKIVDANFILWEIHGRNDYTFNSTMEQNGCINEAQTWDSMIEENPDIPLDDVWGPQNYRPCFSYAIGKPGDLGQPYEILNYSNKNHIKWPMTYAGMYVYRLKILDPNYSFCNLTTIFAIESLGMIPRSSVYLVAALIFVLMLTFISILVLSYFWYLKIYRQFIIEPLHKRPAKQKKN

PDB Structures

7EEB

Ligand Binding

1. DICL_CP

2. DICL_Pep

Binding Site

Disease

Location

Testis-specific

DOI ID

10.1371/journal.pbio.1000112; 10.7554/elife.23082; 10.1016/j.celrep.2021.110226; 10.1038/s41586-021-03742-6

RefSeq

XP_006497146.1