AP-1 complex subunit sigma-1A; adapter-related protein complex 1 sigma-1A subunit; adaptor protein complex AP-1 sigma-1A subunit; sigma-adaptin 1A; sigma1A-adaptin; Golgi adaptor HA1/AP1 adaptin sigma-1A subunit; HA1 19 kD subunit; clathrin assembly protein complex 1 sigma-1A small chain; clathrin coat assembly protein AP19; sigma 1a subunit of AP-1 clathrin (AP1S1 AP19 CLAPS1)

Function

• subunit of clathrin-associated adaptor protein complex 1 (AP-1)

Structure

• belongs to the adaptor complexes small subunit family

Compartment

• Golgi, cytoplasmic vesicle membrane
• peripheral membrane, cytoplasmic side
• membrane, clathrin-coated pit
• component of the coat surrounding the cytoplasmic face of coated vesicles located at the Golgi complex

Alternative splicing

named isoforms=2

Expression

widely expressed

More general terms

• sigma adaptin
• phosphoprotein

Additional terms

• clathrin (triskelion)

Component of

• HA1/AP1 adaptor complex (clathrin assembly protein [AP]-1)

Database

• Kegg: http://www.genome.jp/dbget-bin/www_bget?hsa:1174
• OMIM: https://mirror.omim.org/entry/603531
• UniProt: http://www.uniprot.org/uniprot/P61966.html