Protein
Outer envelope pore protein 16-1, chloroplastic
Organism
Arabidopsis thaliana
Function
Voltage-dependent high-conductance channel with a slight cation-selectivity; selective for amino acids but excludes triosephosphates or uncharged sugars (By similarity). Non-essential amino acid-selective channel protein and translocation pore for NADPH:protochlorophyllide oxidoreductase A (PORA) and possibly PORB. Involved in PORA precursor (pPORA) import and thus confers photoprotection onto etiolated seedlings during greening.
Similarity
Belongs to the Tim17/Tim22/Tim23 family. Plastid outer envelope porin OEP16 (TC 1.B.30) subfamily.
Sequence
MPSSTFSGTVSTPKLSVAVDMGNPFLNLTVDAFLKIGAVGVTKSLAEDTYKAIDKGSLSKSTLEHALKKLCKEGVYWGAAGGVYIGTEYGIERIRGSRDWKNAMLAGAATGAVLSAVGKKGKDTIVIDAILGGALATASQFVNNHYFY