ID   C555_METCA              Reviewed;         123 AA.
AC   P04369; Q604C8;
DT   20-MAR-1987, integrated into UniProtKB/Swiss-Prot.
DT   07-DEC-2004, sequence version 2.
DT   03-AUG-2022, entry version 111.
DE   RecName: Full=Cytochrome c-555;
DE   AltName: Full=Cytochrome c555;
DE   Flags: Precursor;
GN   OrderedLocusNames=MCA2618;
OS   Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Methylococcales;
OC   Methylococcaceae; Methylococcus.
OX   NCBI_TaxID=243233;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33009 / NCIMB 11132 / Bath;
RX   PubMed=15383840; DOI=10.1371/journal.pbio.0020303;
RA   Ward N.L., Larsen O., Sakwa J., Bruseth L., Khouri H.M., Durkin A.S.,
RA   Dimitrov G., Jiang L., Scanlan D., Kang K.H., Lewis M.R., Nelson K.E.,
RA   Methe B.A., Wu M., Heidelberg J.F., Paulsen I.T., Fouts D.E., Ravel J.,
RA   Tettelin H., Ren Q., Read T.D., DeBoy R.T., Seshadri R., Salzberg S.L.,
RA   Jensen H.B., Birkeland N.K., Nelson W.C., Dodson R.J., Grindhaug S.H.,
RA   Holt I.E., Eidhammer I., Jonasen I., Vanaken S., Utterback T.R.,
RA   Feldblyum T.V., Fraser C.M., Lillehaug J.R., Eisen J.A.;
RT   "Genomic insights into methanotrophy: the complete genome sequence of
RT   Methylococcus capsulatus (Bath).";
RL   PLoS Biol. 2:1616-1628(2004).
RN   [2]
RP   PROTEIN SEQUENCE OF 28-123.
RC   STRAIN=ATCC 33009 / NCIMB 11132 / Bath;
RX   PubMed=3006666; DOI=10.1042/bj2330333;
RA   Ambler R.P., Dalton H., Meyer T.E., Bartsch R.G., Kamen M.D.;
RT   "The amino acid sequence of cytochrome c-555 from the methane-oxidizing
RT   bacterium Methylococcus capsulatus.";
RL   Biochem. J. 233:333-337(1986).
RN   [3]
RP   PROTEIN SEQUENCE OF 28-41, AND MASS SPECTROMETRY.
RC   STRAIN=ATCC 33009 / NCIMB 11132 / Bath;
RX   PubMed=21789203; DOI=10.1371/journal.pone.0022014;
RA   Harbitz E., Andersson K.K.;
RT   "Cytochrome c-554 from Methylosinus trichosporium OB3b; a protein that
RT   belongs to the cytochrome c2 family and exhibits a HALS-Type EPR signal.";
RL   PLoS ONE 6:E22014-E22014(2011).
CC   -!- PTM: Binds 1 heme c group covalently per subunit.
CC   -!- MASS SPECTROMETRY: Mass=11120; Method=MALDI;
CC       Evidence={ECO:0000269|PubMed:21789203};
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DR   EMBL; AE017282; AAU91289.1; -; Genomic_DNA.
DR   PIR; A23321; CCMP55.
DR   RefSeq; WP_010961831.1; NC_002977.6.
DR   AlphaFoldDB; P04369; -.
DR   SMR; P04369; -.
DR   STRING; 243233.MCA2618; -.
DR   EnsemblBacteria; AAU91289; AAU91289; MCA2618.
DR   KEGG; mca:MCA2618; -.
DR   eggNOG; COG2010; Bacteria.
DR   HOGENOM; CLU_2012574_0_0_6; -.
DR   OMA; WRALACE; -.
DR   OrthoDB; 1939800at2; -.
DR   Proteomes; UP000006821; Chromosome.
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   Pfam; PF13442; Cytochrome_CBB3; 1.
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   Reference proteome; Signal; Transport.
FT   SIGNAL          1..27
FT                   /evidence="ECO:0000269|PubMed:21789203,
FT                   ECO:0000269|PubMed:3006666"
FT   CHAIN           28..123
FT                   /note="Cytochrome c-555"
FT                   /id="PRO_0000006546"
FT   BINDING         46
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433,
FT                   ECO:0000269|PubMed:3006666"
FT   BINDING         49
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433,
FT                   ECO:0000269|PubMed:3006666"
FT   BINDING         50
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         86
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"
SQ   SEQUENCE   123 AA;  13229 MW;  022D66FA6345E5D2 CRC64;
     MDHKKTSIRT TALAALVLGA VAAPAFSAPV DQATYNGFKI YKQQRCETCH GATGEGSAAF
     PNLLNSLKNL SKDQFKEVVL KGRNAMPPFE ANKKVAEGID DLYTYIKGRS DGTVPAGELE
     KPQ