CYC21_RHOCE
ID CYC21_RHOCE Reviewed; 120 AA.
AC P81153;
DT 15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT 15-JUL-1998, sequence version 1.
DT 03-AUG-2022, entry version 83.
DE RecName: Full=Cytochrome c2 iso-1;
DE AltName: Full=Cytochrome c552;
OS Rhodospirillum centenum (Rhodocista centenaria).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Rhodospirillales;
OC Rhodospirillaceae; Rhodospirillum.
OX NCBI_TaxID=34018;
RN [1]
RP PROTEIN SEQUENCE, AND PYROGLUTAMATE FORMATION AT GLN-1.
RC STRAIN=ATCC 43720 / DSM 9894 / IAM 14193 / JCM 21060 / NBRC 16667;
RX PubMed=9659396; DOI=10.1016/s0167-4838(98)00030-2;
RA Samyn B., Fitch J., Meyer T.E., Cusanovich M.A., van Beeumen J.J.;
RT "Purification and primary structure analysis of two cytochrome c2 isozymes
RT from the purple phototrophic bacterium Rhodospirillum centenum.";
RL Biochim. Biophys. Acta 1384:345-355(1998).
CC -!- FUNCTION: Cytochrome c2 is found mainly in purple, non-sulfur,
CC photosynthetic bacteria where it functions as the electron donor to the
CC oxidized bacteriochlorophyll in the photophosphorylation pathway.
CC However, it may also have a role in the respiratory chain and is found
CC in some non-photosynthetic bacteria.
CC -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC Redox potential:
CC E(0) is +316 mV.;
CC -!- PTM: Binds 1 heme c group covalently per subunit.
CC -!- SIMILARITY: Belongs to the cytochrome c family. {ECO:0000305}.
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DR AlphaFoldDB; P81153; -.
DR SMR; P81153; -.
DR GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR GO; GO:0020037; F:heme binding; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR Gene3D; 1.10.760.10; -; 1.
DR InterPro; IPR009056; Cyt_c-like_dom.
DR InterPro; IPR036909; Cyt_c-like_dom_sf.
DR InterPro; IPR002327; Cyt_c_1A/1B.
DR PANTHER; PTHR11961; PTHR11961; 1.
DR Pfam; PF00034; Cytochrom_C; 1.
DR PRINTS; PR00604; CYTCHRMECIAB.
DR SUPFAM; SSF46626; SSF46626; 1.
DR PROSITE; PS51007; CYTC; 1.
PE 1: Evidence at protein level;
KW Direct protein sequencing; Electron transport; Heme; Iron; Metal-binding;
KW Photosynthesis; Pyrrolidone carboxylic acid; Transport.
FT CHAIN 1..120
FT /note="Cytochrome c2 iso-1"
FT /id="PRO_0000108341"
FT BINDING 15
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT BINDING 18
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT BINDING 19
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT BINDING 98
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT MOD_RES 1
FT /note="Pyrrolidone carboxylic acid"
FT /evidence="ECO:0000269|PubMed:9659396"
SQ SEQUENCE 120 AA; 12818 MW; BBE05414A003E6BF CRC64;
QDGDPVKGEA VFKKCMACHR IGPDAKNLVG PVLTGVVGRQ AGVAPGFSYS ALNHAAGEAG
LHWTAENIMA YLPDPNAFLR KFVTDAGNPE AAKGSTKMVF KLPNEQERKD VVAYLKTFSN