NCBI Accession #
NP_200385.1
NCBI GenBank Nucleotide #
NM_124956.2
NCBI Official Full Name
Tetratricopeptide repeat (TPR)-like superfamily protein
NCBI Official Symbol
CRR21
NCBI Official Synonym Symbols
chlororespiratory reduction 21; MDF20.18; MDF20_18
NCBI Protein Information
Tetratricopeptide repeat (TPR)-like superfamily protein
NCBI Summary
Encodes a member of the E+ subgroup of the PPR protein family, containing the E and E+ motifs following a tandem array of PPR motifs. It also contains an unknown motif consisting of 15 aa, which is highly conserved in some PPR proteins, including CRR4. CRR21 is involved in RNA editing of the site 2 of ndhD (ndhD-2),which encodes a subunit of the NDH complex. The RNA editing changes aa 128 from Ser to Leu. Mutants have impaired NDH complex activity.
UniProt Synonym Gene Names
PCMP-E18
UniProt Protein Name
Pentatricopeptide repeat-containing protein At5g55740, chloroplastic
UniProt Synonym Protein Names
Protein CHLORORESPIRATORY REDUCTION 21
UniProt Primary Accession #
Q9FM64
UniProt Related Accession #
Q9FM64
UniProt Comments
Plays a major role in chloroplast RNA editing. Acts as a site-recognition transacting factor involved in the edition of the site 2 of ndhD (ndhD-2), which encodes a subunit of the NDH complex.