ID   CYCP_CERS4              Reviewed;         149 AA.
AC   P00148; Q3J0N8;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   24-JAN-2006, sequence version 2.
DT   03-AUG-2022, entry version 136.
DE   RecName: Full=Cytochrome c';
DE   Flags: Precursor;
GN   Name=cycP; OrderedLocusNames=RHOS4_20780; ORFNames=RSP_0474;
OS   Cereibacter sphaeroides (strain ATCC 17023 / DSM 158 / JCM 6121 / CCUG
OS   31486 / LMG 2827 / NBRC 12203 / NCIMB 8253 / ATH 2.4.1.) (Rhodobacter
OS   sphaeroides).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC   Rhodobacteraceae; Cereibacter.
OX   NCBI_TaxID=272943;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 17023 / DSM 158 / JCM 6121 / CCUG 31486 / LMG 2827 / NBRC 12203
RC   / NCIMB 8253 / ATH 2.4.1.;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Richardson P., Mackenzie C.,
RA   Choudhary M., Larimer F., Hauser L.J., Land M., Donohue T.J., Kaplan S.;
RT   "Complete sequence of chromosome 1 of Rhodobacter sphaeroides 2.4.1.";
RL   Submitted (SEP-2005) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   PROTEIN SEQUENCE OF 20-149.
RX   PubMed=6273892; DOI=10.1073/pnas.78.11.6854;
RA   Ambler R.P., Bartsch R.G., Daniel M., Kamen M.D., McLellan L., Meyer T.E.,
RA   van Beeumen J.;
RT   "Amino acid sequences of bacterial cytochromes c' and c-556.";
RL   Proc. Natl. Acad. Sci. U.S.A. 78:6854-6857(1981).
CC   -!- FUNCTION: Cytochrome c' is the most widely occurring bacterial c-type
CC       cytochrome. Cytochromes c' are high-spin proteins and the heme has no
CC       sixth ligand. Their exact function is not known.
CC   -!- PTM: Binds 1 heme group per subunit.
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DR   EMBL; CP000143; ABA79646.1; -; Genomic_DNA.
DR   PIR; A00141; CCRFCS.
DR   RefSeq; WP_009566035.1; NZ_CP030271.1.
DR   RefSeq; YP_353547.1; NC_007493.2.
DR   PDB; 1GQA; X-ray; 1.80 A; A/D=20-149.
DR   PDBsum; 1GQA; -.
DR   AlphaFoldDB; P00148; -.
DR   SMR; P00148; -.
DR   STRING; 272943.RSP_0474; -.
DR   DrugBank; DB03317; Ferroheme C.
DR   EnsemblBacteria; ABA79646; ABA79646; RSP_0474.
DR   KEGG; rsp:RSP_0474; -.
DR   PATRIC; fig|272943.9.peg.2423; -.
DR   eggNOG; COG3909; Bacteria.
DR   OMA; SWNMGKI; -.
DR   PhylomeDB; P00148; -.
DR   EvolutionaryTrace; P00148; -.
DR   Proteomes; UP000002703; Chromosome 1.
DR   GO; GO:0042597; C:periplasmic space; IEA:InterPro.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR   InterPro; IPR010980; Cyt_c/b562.
DR   InterPro; IPR002321; Cyt_c_II.
DR   InterPro; IPR012127; Cyt_c_prime.
DR   InterPro; IPR015984; Cyt_c_prime_subgr.
DR   Pfam; PF01322; Cytochrom_C_2; 1.
DR   PIRSF; PIRSF000027; Cytc_c_prime; 1.
DR   PRINTS; PR00608; CYTCHROMECII.
DR   SUPFAM; SSF47175; SSF47175; 1.
DR   PROSITE; PS51009; CYTCII; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Direct protein sequencing; Electron transport; Heme; Iron;
KW   Metal-binding; Reference proteome; Signal; Transport.
FT   SIGNAL          1..19
FT                   /evidence="ECO:0000269|PubMed:6273892"
FT   CHAIN           20..149
FT                   /note="Cytochrome c'"
FT                   /id="PRO_0000045786"
FT   BINDING         138
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /note="covalent"
FT   BINDING         141
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /note="covalent"
FT   BINDING         142
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT   CONFLICT        136..137
FT                   /note="GT -> TG (in Ref. 2; AA sequence)"
FT                   /evidence="ECO:0000305"
FT   HELIX           22..47
FT                   /evidence="ECO:0007829|PDB:1GQA"
FT   HELIX           55..70
FT                   /evidence="ECO:0007829|PDB:1GQA"
FT   HELIX           73..77
FT                   /evidence="ECO:0007829|PDB:1GQA"
FT   TURN            83..85
FT                   /evidence="ECO:0007829|PDB:1GQA"
FT   STRAND          86..88
FT                   /evidence="ECO:0007829|PDB:1GQA"
FT   HELIX           94..97
FT                   /evidence="ECO:0007829|PDB:1GQA"
FT   HELIX           99..120
FT                   /evidence="ECO:0007829|PDB:1GQA"
FT   HELIX           124..145
FT                   /evidence="ECO:0007829|PDB:1GQA"
SQ   SEQUENCE   149 AA;  15363 MW;  B4C150E09FA0980A CRC64;
     MRRVLLATLM AALPAAAMAA DAEHVVEARK GYFSLVALEF GPLAAMAKGE MPYDAAAAKA
     HASDLVTLTK YDPSDLYAPG TSADDVKGTA AKAAIWQDAD GFQAKGMAFF EAVAALEPAA
     GAGQKELAAA VGKVGGTCKS CHDDFRVKR