NCBI Accession #
NP_198657.1
NCBI GenBank Nucleotide #
NM_123202.4
NCBI Official Full Name
Ribulose bisphosphate carboxylase (small chain) family protein
NCBI Official Symbol
RBCS3B
NCBI Official Synonym Symbols
MXI10.13; MXI10_13; Rubisco small subunit 3B
NCBI Protein Information
Ribulose bisphosphate carboxylase (small chain) family protein
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-3B
UniProt Synonym Gene Names
ATS3B; RuBisCO small subunit 3B
UniProt Protein Name
Ribulose bisphosphate carboxylase small chain 3B, chloroplastic
UniProt Primary Accession #
P10798
UniProt Secondary Accession #
Q9FF21
UniProt Related Accession #
P10798
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 .