C562_CERS4
ID C562_CERS4 Reviewed; 158 AA.
AC P16670; Q3J667;
DT 01-AUG-1990, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 2.
DT 03-AUG-2022, entry version 116.
DE RecName: Full=Cytochrome b562;
DE AltName: Full=Cytochrome b-562;
GN OrderedLocusNames=RHOS4_01490; ORFNames=RSP_1574;
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 [GENOMIC DNA], AND PROTEIN SEQUENCE OF 2-31.
RX PubMed=3502345; DOI=10.1093/oxfordjournals.jbchem.a122198;
RA Iba K., Morohashi K., Miyata T., Takamiya K.;
RT "Structural gene of cytochrome b-562 from the cytochrome b-c1 complex of
RT Rhodobacter sphaeroides.";
RL J. Biochem. 102:1511-1518(1987).
RN [2]
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.
CC -!- FUNCTION: Cytochrome b562 is an integral component of the cytochrome b-
CC c1 complex in the cyclic electron transfer system of photosynthetic
CC bacteria.
CC -!- COFACTOR:
CC Name=heme b; Xref=ChEBI:CHEBI:60344;
CC Note=Binds 2 heme B (iron-protoporphyrin IX) groups per molecule.;
CC -!- SUBUNIT: Homodimer.
CC -!- SUBCELLULAR LOCATION: Cell membrane; Multi-pass membrane protein.
CC -!- SIMILARITY: Belongs to the cytochrome b561 family. {ECO:0000305}.
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DR EMBL; D00235; BAA00164.1; -; Genomic_DNA.
DR EMBL; CP000143; ABA77717.1; -; Genomic_DNA.
DR PIR; A41430; A41430.
DR RefSeq; WP_011336847.1; NZ_CP030271.1.
DR RefSeq; YP_351618.1; NC_007493.2.
DR AlphaFoldDB; P16670; -.
DR SMR; P16670; -.
DR STRING; 272943.RSP_1574; -.
DR EnsemblBacteria; ABA77717; ABA77717; RSP_1574.
DR KEGG; rsp:RSP_1574; -.
DR PATRIC; fig|272943.9.peg.451; -.
DR eggNOG; COG3038; Bacteria.
DR OMA; AQIGLHW; -.
DR Proteomes; UP000002703; Chromosome 1.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0022904; P:respiratory electron transport chain; IEA:InterPro.
DR InterPro; IPR011577; Cyt_b561_bac/Ni-Hgenase.
DR InterPro; IPR016174; Di-haem_cyt_TM.
DR Pfam; PF01292; Ni_hydr_CYTB; 1.
DR SUPFAM; SSF81342; SSF81342; 1.
PE 1: Evidence at protein level;
KW Cell membrane; Direct protein sequencing; Electron transport; Heme; Iron;
KW Membrane; Metal-binding; Reference proteome; Transmembrane;
KW Transmembrane helix; Transport.
FT INIT_MET 1
FT /note="Removed"
FT /evidence="ECO:0000269|PubMed:3502345"
FT CHAIN 2..158
FT /note="Cytochrome b562"
FT /id="PRO_0000199976"
FT TRANSMEM 12..32
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 46..66
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 87..107
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 121..141
FT /note="Helical"
FT /evidence="ECO:0000255"
FT BINDING 15
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 /evidence="ECO:0000255"
FT BINDING 53
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 /evidence="ECO:0000255"
FT BINDING 135
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 /evidence="ECO:0000255"
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 /evidence="ECO:0000255"
SQ SEQUENCE 158 AA; 17120 MW; AED267C402CB301C CRC64;
MTQEPGYTRL QITLHWAIAG LVLFNYIFGE TMERAYDAVR QNVEPAGVGH YLHVVVGLAV
LVLTLVRIGA RFVLGVPEKG TTPGDKVAAG LQGLLYLLTL LVPALGMTAW GGGQAWAAGP
HVLAANAIML LALVHAVSAL FHQYVLKDRL LLRMMRPR
