CYC1B_XENLA
ID CYC1B_XENLA Reviewed; 105 AA.
AC Q6NTN0;
DT 12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 3.
DT 03-AUG-2022, entry version 84.
DE RecName: Full=Cytochrome c, somatic B;
GN Name=cycs-b;
OS Xenopus laevis (African clawed frog).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Amphibia;
OC Batrachia; Anura; Pipoidea; Pipidae; Xenopodinae; Xenopus; Xenopus.
OX NCBI_TaxID=8355;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC TISSUE=Embryo;
RG NIH - Xenopus Gene Collection (XGC) project;
RL Submitted (APR-2004) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Electron carrier protein. The oxidized form of the cytochrome
CC c heme group can accept an electron from the heme group of the
CC cytochrome c1 subunit of cytochrome reductase. Cytochrome c then
CC transfers this electron to the cytochrome oxidase complex, the final
CC protein carrier in the mitochondrial electron-transport chain (By
CC similarity). {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion intermembrane space {ECO:0000250}.
CC Note=Loosely associated with the inner membrane. {ECO:0000250}.
CC -!- PTM: Binds 1 heme c group covalently per subunit. {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the cytochrome c family. {ECO:0000305}.
CC -!- SEQUENCE CAUTION:
CC Sequence=AAH68929.1; Type=Erroneous initiation; Evidence={ECO:0000305};
CC -!- WEB RESOURCE: Name=Protein Spotlight; Note=Life shuttle - Issue 76 of
CC November 2006;
CC URL="https://web.expasy.org/spotlight/back_issues/076";
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DR EMBL; BC068929; AAH68929.1; ALT_INIT; mRNA.
DR RefSeq; XP_018091418.1; XM_018235929.1.
DR RefSeq; XP_018091420.1; XM_018235931.1.
DR AlphaFoldDB; Q6NTN0; -.
DR SMR; Q6NTN0; -.
DR GeneID; 414705; -.
DR KEGG; xla:414705; -.
DR CTD; 414705; -.
DR Xenbase; XB-GENE-6252130; cyct.L.
DR OMA; YSDAMKN; -.
DR OrthoDB; 1533604at2759; -.
DR Proteomes; UP000186698; Chromosome 9_10L.
DR Bgee; 414705; Expressed in heart and 17 other tissues.
DR GO; GO:0005758; C:mitochondrial intermembrane space; IEA:UniProtKB-SubCell.
DR GO; GO:0070469; C:respirasome; IEA:UniProtKB-KW.
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 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 3: Inferred from homology;
KW Acetylation; Electron transport; Heme; Iron; Metal-binding; Mitochondrion;
KW Reference proteome; Respiratory chain; Transport.
FT INIT_MET 1
FT /note="Removed"
FT /evidence="ECO:0000250"
FT CHAIN 2..105
FT /note="Cytochrome c, somatic B"
FT /id="PRO_0000266016"
FT BINDING 15
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT BINDING 18
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
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 /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT BINDING 81
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 /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT MOD_RES 2
FT /note="N-acetylglycine"
FT /evidence="ECO:0000250"
SQ SEQUENCE 105 AA; 11694 MW; 23556177D9700EEF CRC64;
MGDAGKGKKI FIQKCAQCHT VEKTGKHKTG PNLWGLFGRK TGQAPGFSYT DANKSKGIVW
GEETLLEYLE NPKKYIPGTK MIFAGIKKKN ERLDLIAYLK KSTSE