ID   A0A0H5CZ93_9RHOB        Unreviewed;       301 AA.
AC   A0A0H5CZ93;
DT   14-OCT-2015, integrated into UniProtKB/TrEMBL.
DT   14-OCT-2015, sequence version 1.
DT   02-APR-2025, entry version 29.
DE   RecName: Full=Sulfur carrier protein FdhD {ECO:0000256|HAMAP-Rule:MF_00187};
GN   Name=fdhD {ECO:0000256|HAMAP-Rule:MF_00187};
GN   ORFNames=NIT7321_01030 {ECO:0000313|EMBL:CRL10186.1};
OS   Phaeobacter italicus.
OC   Bacteria; Pseudomonadati; Pseudomonadota; Alphaproteobacteria;
OC   Rhodobacterales; Roseobacteraceae; Phaeobacter.
OX   NCBI_TaxID=481446 {ECO:0000313|EMBL:CRL10186.1, ECO:0000313|Proteomes:UP000043764};
RN   [1] {ECO:0000313|Proteomes:UP000043764}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CECT 7321 {ECO:0000313|Proteomes:UP000043764};
RA   Rodrigo-Torres Lidia, Arahal R.David.;
RL   Submitted (MAY-2015) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Required for formate dehydrogenase (FDH) activity. Acts as a
CC       sulfur carrier protein that transfers sulfur from IscS to the
CC       molybdenum cofactor prior to its insertion into FDH.
CC       {ECO:0000256|HAMAP-Rule:MF_00187}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00187}.
CC   -!- SIMILARITY: Belongs to the FdhD family. {ECO:0000256|HAMAP-
CC       Rule:MF_00187}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_00187}.
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DR   EMBL; CVRL01000013; CRL10186.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A0H5CZ93; -.
DR   STRING; 481446.NIT7645_02383; -.
DR   Proteomes; UP000043764; Unassembled WGS sequence.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0097163; F:sulfur carrier activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0016783; F:sulfurtransferase activity; IEA:InterPro.
DR   GO; GO:0006777; P:Mo-molybdopterin cofactor biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.10.20.10; -; 1.
DR   Gene3D; 3.40.140.10; Cytidine Deaminase, domain 2; 1.
DR   HAMAP; MF_00187; FdhD; 1.
DR   InterPro; IPR016193; Cytidine_deaminase-like.
DR   InterPro; IPR003786; FdhD.
DR   NCBIfam; TIGR00129; fdhD_narQ; 1.
DR   PANTHER; PTHR30592; FORMATE DEHYDROGENASE; 1.
DR   PANTHER; PTHR30592:SF4; SULFUR CARRIER PROTEIN FDHD; 1.
DR   Pfam; PF02634; FdhD-NarQ; 1.
DR   PIRSF; PIRSF015626; FdhD; 1.
DR   SUPFAM; SSF53927; Cytidine deaminase-like; 1.
PE   3: Inferred from homology;
KW   Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00187};
KW   Molybdenum cofactor biosynthesis {ECO:0000256|HAMAP-Rule:MF_00187};
KW   Reference proteome {ECO:0000313|Proteomes:UP000043764}.
FT   ACT_SITE        126
FT                   /note="Cysteine persulfide intermediate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00187"
SQ   SEQUENCE   301 AA;  33453 MW;  CA7AC9487EF825D8 CRC64;
     MAMMDENADQ AAVVAEYLIA PNPTNARLTR RVKGLDHTGE LAEISVVEER PLTIYLNRQE
     IVTAMTIGDY PEYLALGFLR NQGMLRADDV ITGIDYDEEL ETVVVRTEIE TSYEEKLQKK
     TRTSGCAVGT VFGDMMEGLE DVRLPEVEVK TSWLYALAHK INRTPSLYLE AGAIHGTVLC
     QQDRPLVYME DVGRHNAVDK IAGWIQSTGA DVSDKILYTT GRLTSEMVIK TAMMGIPVLA
     SRSGFTAWGV EIAQEVGLTL IGRMRGQRFV CLAGEERLVR DMDPKDAPVE DKKHRRKSAG
     T
//