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Overview

Uniprot IDQ9NWH7
Protein NameSpermatogenesis-associated protein 6
Gene NameSPATA6
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
388 DRVKNVLKSHQAHQR

Function

Required for formation of the sperm connecting piece during spermiogenesis. Sperm connecting piece is essential for linking the developing flagellum to the head during late spermiogenesis. May be involved in myosin-based microfilament transport through interaction with myosin subunits

Protein Sequence

10 MPKVKALQCA 20 LALEISSVTC 30 PGVVLKDKED 40 IYLSICVFGQ 50 YKKTQCVPAT 60 FPLVFNARMV 70 FEKVFPDAVD 80 PGDVVTQLEY 90 DTAVFELIQL 100 VPPVGETLST 110 YDENTRDFMF 120 PGPNQMSGHH 130 DSNRQVTMRR 140 ISGLRGNAPR 150 LEFSTTSVIT 160 ECLISSRKCH 170 TQDKFIYHLA 180 PVEKSHGRLQ 190 NRTSRSQKKK 200 SKSPERSKYC 210 INAKNYEQPT 220 ISSKSHSPSP 230 YTKRRMCELS 240 EDTRRRLAHL 250 NLGPYEFKKE 260 TDKPPFVIRH 270 VDPPSPRADT 280 LLGSSGRDCE 290 RDGWSRVHND 300 HSHLGCCRPK 310 DYKVIRTPHG 320 RDFDDSLEKC 330 EEYLSPRSCS 340 KPRHSARTLL 350 VHSAPSTMPK 360 HSPSPVLNRA 370 SLRERFHSDW 380 CSPSNCDEIH 390 DRVKNVLKSH 400 QAHQRHLYDE 410 RDLEKDDELE 420 LKRSLLCRDS 430 AYDSDPEYSS 440 CQQPRGTFHL 450 DDGEYWSNRA 460 ASYKGKSHRP 470 IFENSMDKMY 480 RNLYKKACSS ASHTQESF

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005576 extracellular region
Cellular Component GO:0031514 motile cilium
Cellular Component GO:0120212 sperm head-tail coupling apparatus
Molecular Function GO:0032027 myosin light chain binding
Biological Process GO:0030154 cell differentiation
Biological Process GO:0044458 motile cilium assembly
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.