NCBI Accession #
NP_176880.1
NCBI GenBank Nucleotide #
NM_105379.4
NCBI Official Full Name
ribulose bisphosphate carboxylase small chain 1A
NCBI Official Symbol
RBCS1A
NCBI Official Synonym Symbols
F1O19.14; F5A8.1; F5A8_1; ribulose bisphosphate carboxylase small chain 1A
NCBI Protein Information
ribulose bisphosphate carboxylase small chain 1A
NCBI Summary
Encodes a member of the Rubisco small subunit (RBCS) multigene family: RBCS1A (At1g67090), RBCS1B (At5g38430), RBCS2B (At5g38420), and RBCS3B (At5g38410). Functions to yield sufficient Rubisco content for leaf photosynthetic capacity.
UniProt Gene Name
RBCS-1A
UniProt Synonym Gene Names
ATS1A; RuBisCO small subunit 1A
UniProt Protein Name
Ribulose bisphosphate carboxylase small chain 1A, chloroplastic
UniProt Primary Accession #
P10795
UniProt Secondary Accession #
Q94JW2; Q9FPI6; Q9SAV4
UniProt Related Accession #
P10795
UniProt Comments
RuBisCO catalyzes two reactions: the carboxylation of D-ribulose 1,5-bisphosphate, the primary event in carbon dioxide fixation, as well as the oxidative fragmentation of the pentose substrate. Both reactions occur simultaneously and in competition at the same active site .