ID   C556_AGRTB              Reviewed;         122 AA.
AC   P00139;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   03-AUG-2022, entry version 77.
DE   RecName: Full=Cytochrome c-556;
DE   AltName: Full=Cytochrome c556;
OS   Agrobacterium tumefaciens (strain B2A).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Rhizobium/Agrobacterium group; Agrobacterium;
OC   Agrobacterium tumefaciens complex.
OX   NCBI_TaxID=371;
RN   [1]
RP   PROTEIN SEQUENCE.
RA   van Beeumen J., Tempst P., Stevens P., Bral D., van Damme J., de Ley J.;
RT   "Cytochromes c of two different sequence classes in Agrobacterium
RT   tumefaciens.";
RL   (In) Peeters H. (eds.);
RL   Protides of the biological fluids, Proc. 28th colloquium, pp.69-74,
RL   Pergamon Press, Oxford (1980).
CC   -!- FUNCTION: Low-spin monoheme cytochrome c.
CC   -!- SUBUNIT: Monomer.
CC   -!- PTM: Binds 1 heme group per subunit.
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DR   PIR; A00132; CCAGB6.
DR   AlphaFoldDB; P00139; -.
DR   SMR; P00139; -.
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   Direct protein sequencing; Electron transport; Heme; Iron; Metal-binding;
KW   Transport.
FT   CHAIN           1..122
FT                   /note="Cytochrome c-556"
FT                   /id="PRO_0000108411"
FT   BINDING         11
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   BINDING         111
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /note="covalent"
FT   BINDING         114
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /note="covalent"
FT   BINDING         115
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"
SQ   SEQUENCE   122 AA;  12548 MW;  1D4A9133729BC1B9 CRC64;
     AGEVEKREGM MKQIGGAMGS LAAISKGEKP FDADTVKAAV TTIGTNAKAF PEQFPAGTET
     GSAAAPAIWE NFEDFKAKAA KLGTDADIVL ANLPGDQAGV ATAMKTLGAD CGTCHQTYRL
     KK