HMM Summary Page: TIGR01336

Functionphotosystem I core protein PsaB
Gene SymbolpsaB
Trusted Cutoff921.65
Domain Trusted Cutoff921.65
Noise Cutoff886.40
Domain Noise Cutoff886.40
Isology Typeequivalog
EC Number1.97.1.12
HMM Length734
Mainrole CategoryEnergy metabolism
Subrole CategoryPhotosynthesis
Gene Ontology TermGO:0009522: photosystem I cellular_component
GO:0009538: photosystem I reaction center cellular_component
GO:0016168: chlorophyll binding molecular_function
AuthorHaft DH
Entry DateSep 4 2001 9:54AM
Last ModifiedDec 12 2011 9:22PM
CommentThe core proteins of photosystem I are PsaA and PsaB, homologous integral membrane proteins that form a heterodimer. The heterodimer binds the electron-donating chlorophyll dimer P700, as well as chlorophyll, phylloquinone, and 4FE-4S electron acceptors. This model describes PsaB only.
ReferencesDR PF00223; psaA_psaB; Photosystem I psaA/psaB protein DR PROSITE; PDOC00347; Photosystem I psaA and psaB proteins signature DR HAMAP; MF_00482; 140 of 140
Genome PropertyGenProp0660: photosystem I (HMM)