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Database: UniProt
Entry: I9DUE9_9ALTE
LinkDB: I9DUE9_9ALTE
Original site: I9DUE9_9ALTE 
ID   I9DUE9_9ALTE            Unreviewed;        93 AA.
AC   I9DUE9;
DT   03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT   03-OCT-2012, sequence version 1.
DT   27-MAR-2024, entry version 37.
DE   RecName: Full=Succinate dehydrogenase cytochrome b556 subunit {ECO:0000256|ARBA:ARBA00020076};
GN   ORFNames=AGRI_03941 {ECO:0000313|EMBL:EIW89765.1};
OS   Alishewanella agri BL06.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales;
OC   Alteromonadaceae; Alishewanella.
OX   NCBI_TaxID=1195246 {ECO:0000313|EMBL:EIW89765.1, ECO:0000313|Proteomes:UP000035062};
RN   [1] {ECO:0000313|EMBL:EIW89765.1, ECO:0000313|Proteomes:UP000035062}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BL06 {ECO:0000313|EMBL:EIW89765.1,
RC   ECO:0000313|Proteomes:UP000035062};
RX   PubMed=22933763; DOI=10.1128/JB.01129-12;
RA   Kim J., Jung J., Sung J.S., Chun J., Park W.;
RT   "Genome Sequence of Pectin-Degrading Alishewanella agri, Isolated from
RT   Landfill Soil.";
RL   J. Bacteriol. 194:5135-5136(2012).
CC   -!- FUNCTION: Membrane-anchoring subunit of succinate dehydrogenase (SDH).
CC       {ECO:0000256|ARBA:ARBA00004050}.
CC   -!- COFACTOR:
CC       Name=heme; Xref=ChEBI:CHEBI:30413;
CC         Evidence={ECO:0000256|PIRSR:PIRSR000178-1};
CC       Note=The heme is bound between the two transmembrane subunits.
CC       {ECO:0000256|PIRSR:PIRSR000178-1};
CC   -!- SUBUNIT: Part of an enzyme complex containing four subunits: a
CC       flavoprotein, an iron-sulfur protein, plus two membrane-anchoring
CC       proteins, SdhC and SdhD. The complex can form homotrimers.
CC       {ECO:0000256|ARBA:ARBA00025912}.
CC   -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-
CC       pass membrane protein {ECO:0000256|ARBA:ARBA00004141}.
CC   -!- SIMILARITY: Belongs to the cytochrome b560 family.
CC       {ECO:0000256|ARBA:ARBA00007244}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:EIW89765.1}.
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DR   EMBL; AKKU01000010; EIW89765.1; -; Genomic_DNA.
DR   AlphaFoldDB; I9DUE9; -.
DR   STRING; 1195246.AGRI_03941; -.
DR   PATRIC; fig|1195246.3.peg.771; -.
DR   eggNOG; COG2009; Bacteria.
DR   Proteomes; UP000035062; Unassembled WGS sequence.
DR   GO; GO:0045281; C:succinate dehydrogenase complex; IEA:InterPro.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0016627; F:oxidoreductase activity, acting on the CH-CH group of donors; IEA:InterPro.
DR   GO; GO:0006099; P:tricarboxylic acid cycle; IEA:InterPro.
DR   CDD; cd03499; SQR_TypeC_SdhC; 1.
DR   Gene3D; 1.20.1300.10; Fumarate reductase/succinate dehydrogenase, transmembrane subunit; 1.
DR   InterPro; IPR034804; SQR/QFR_C/D.
DR   InterPro; IPR018495; Succ_DH_cyt_bsu_CS.
DR   InterPro; IPR014314; Succ_DH_cytb556.
DR   InterPro; IPR000701; SuccDH_FuR_B_TM-su.
DR   NCBIfam; TIGR02970; succ_dehyd_cytB; 1.
DR   Pfam; PF01127; Sdh_cyt; 1.
DR   PIRSF; PIRSF000178; SDH_cyt_b560; 1.
DR   SUPFAM; SSF81343; Fumarate reductase respiratory complex transmembrane subunits; 1.
DR   PROSITE; PS01001; SDH_CYT_2; 1.
PE   3: Inferred from homology;
KW   Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|PIRSR:PIRSR000178-1};
KW   Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR000178-1};
KW   Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW   ECO:0000256|PIRSR:PIRSR000178-1};
KW   Reference proteome {ECO:0000313|Proteomes:UP000035062};
KW   Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW   Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW   ECO:0000256|SAM:Phobius}.
FT   TRANSMEM        31..50
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|SAM:Phobius"
FT   TRANSMEM        71..92
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|SAM:Phobius"
FT   BINDING         48
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /ligand_note="ligand shared with second transmembrane
FT                   subunit"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000178-1"
SQ   SEQUENCE   93 AA;  10521 MW;  6A8E82FFF3CC5EEC CRC64;
     MFFALLFVIW AWAISLQSAE GFDYVKSLLN SHLAKFIAWG TITVLTYHLL GGVRHLIMDM
     GHWEELDSGN LSAKITIGLW IVLAVLAGVW VWF
//
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