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Database: UniProt
Entry: P13628
LinkDB: P13628
Original site: P13628 
ID   PHFS_DESOM              Reviewed;         124 AA.
AC   P13628;
DT   01-JAN-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1990, sequence version 1.
DT   29-OCT-2014, entry version 75.
DE   RecName: Full=Periplasmic [Fe] hydrogenase small subunit;
DE            EC=1.12.7.2;
DE   AltName: Full=Fe hydrogenlyase small chain;
DE   Flags: Precursor;
GN   Name=hydB;
OS   Desulfovibrio oxamicus (strain Monticello) (Desulfovibrio vulgaris
OS   subsp. oxamicus).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Desulfovibrionales;
OC   Desulfovibrionaceae; Desulfovibrio.
OX   NCBI_TaxID=884;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2661538;
RA   Voordouw G., Strang J.D., Wilson F.R.;
RT   "Organization of the genes encoding [Fe] hydrogenase in Desulfovibrio
RT   vulgaris subsp. oxamicus Monticello.";
RL   J. Bacteriol. 171:3881-3889(1989).
CC   -!- FUNCTION: May be involved in hydrogen uptake for the reduction of
CC       sulfate to hydrogen sulfide in an electron transport chain.
CC       Cytochrome c3 is likely to be the physiological electron carrier
CC       for the enzyme.
CC   -!- CATALYTIC ACTIVITY: H(2) + 2 oxidized ferredoxin = 2 reduced
CC       ferredoxin + 2 H(+).
CC   -!- SUBUNIT: Heterodimer of a large and a small subunit.
CC   -!- SUBCELLULAR LOCATION: Periplasm.
CC   -!- PTM: Predicted to be exported by the Tat system. The position of
CC       the signal peptide cleavage has not been experimentally proven.
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DR   EMBL; M27212; AAA23374.1; -; Genomic_DNA.
DR   PIR; B32886; HQDVSV.
DR   ProteinModelPortal; P13628; -.
DR   SMR; P13628; 37-124.
DR   GO; GO:0042597; C:periplasmic space; IEA:UniProtKB-KW.
DR   GO; GO:0009055; F:electron carrier activity; IEA:InterPro.
DR   GO; GO:0008901; F:ferredoxin hydrogenase activity; IEA:UniProtKB-EC.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR   GO; GO:0051536; F:iron-sulfur cluster binding; IEA:UniProtKB-KW.
DR   Gene3D; 4.10.260.20; -; 1.
DR   InterPro; IPR008953; Fe_hydrogenase_ssu.
DR   InterPro; IPR003149; Fe_hydrogenase_ssu-like.
DR   InterPro; IPR006311; TAT_signal.
DR   InterPro; IPR019546; TAT_signal_bac_arc.
DR   Pfam; PF02256; Fe_hyd_SSU; 1.
DR   SMART; SM00902; Fe_hyd_SSU; 1.
DR   SUPFAM; SSF48674; SSF48674; 1.
DR   TIGRFAMs; TIGR01409; TAT_signal_seq; 1.
DR   PROSITE; PS51318; TAT; 1.
PE   3: Inferred from homology;
KW   Iron; Iron-sulfur; Metal-binding; Oxidoreductase; Periplasm; Signal.
FT   SIGNAL        1     34       Tat-type signal. {ECO:0000255|PROSITE-
FT                                ProRule:PRU00648}.
FT   CHAIN        35    124       Periplasmic [Fe] hydrogenase small
FT                                subunit.
FT                                /FTId=PRO_0000013414.
SQ   SEQUENCE   124 AA;  13962 MW;  296AF34FD32B21B5 CRC64;
     MQIVNLTRRG FLKAACVVTG GALISIRMTG KAVAAAKQLK DYMMDRINGV YGADAKFPVR
     ASQDNVQVQK LYADFLEKPM SHKAEQLLHT HWVDRSKAIE RMKAQGAYPN PRAKEFEGNT
     YPYE
//
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