ID A0A1Y2K3U8_9PROT Unreviewed; 359 AA.
AC A0A1Y2K3U8;
DT 30-AUG-2017, integrated into UniProtKB/TrEMBL.
DT 30-AUG-2017, sequence version 1.
DT 27-MAR-2024, entry version 24.
DE RecName: Full=hydrogenase (acceptor) {ECO:0000256|ARBA:ARBA00012082};
DE EC=1.12.99.6 {ECO:0000256|ARBA:ARBA00012082};
GN ORFNames=MAIT1_03656 {ECO:0000313|EMBL:OSM04085.1};
OS Magnetofaba australis IT-1.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Magnetococcales;
OC Magnetococcaceae; Magnetofaba.
OX NCBI_TaxID=1434232 {ECO:0000313|EMBL:OSM04085.1, ECO:0000313|Proteomes:UP000194003};
RN [1] {ECO:0000313|EMBL:OSM04085.1, ECO:0000313|Proteomes:UP000194003}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=IT-1 {ECO:0000313|EMBL:OSM04085.1,
RC ECO:0000313|Proteomes:UP000194003};
RX PubMed=27801294; DOI=10.1186/s12864-016-3064-9;
RA Araujo A.C., Morillo V., Cypriano J., Teixeira L.C., Leao P., Lyra S.,
RA Almeida L.G., Bazylinski D.A., Vasconcellos A.T., Abreu F., Lins U.;
RT "Combined genomic and structural analyses of a cultured magnetotactic
RT bacterium reveals its niche adaptation to a dynamic environment.";
RL BMC Genomics 17:726-726(2016).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=A + H2 = AH2; Xref=Rhea:RHEA:12116, ChEBI:CHEBI:13193,
CC ChEBI:CHEBI:17499, ChEBI:CHEBI:18276; EC=1.12.99.6;
CC Evidence={ECO:0000256|ARBA:ARBA00000386};
CC -!- COFACTOR:
CC Name=[3Fe-4S] cluster; Xref=ChEBI:CHEBI:21137;
CC Evidence={ECO:0000256|ARBA:ARBA00001927};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|ARBA:ARBA00001966};
CC -!- SUBUNIT: Heterodimer of a large and a small subunit.
CC {ECO:0000256|ARBA:ARBA00011771}.
CC -!- SIMILARITY: Belongs to the [NiFe]/[NiFeSe] hydrogenase small subunit
CC family. {ECO:0000256|ARBA:ARBA00006605}.
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:OSM04085.1}.
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DR EMBL; LVJN01000019; OSM04085.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Y2K3U8; -.
DR STRING; 1434232.MAIT1_03656; -.
DR Proteomes; UP000194003; Unassembled WGS sequence.
DR GO; GO:0009375; C:ferredoxin hydrogenase complex; IEA:InterPro.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-KW.
DR GO; GO:0051538; F:3 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0008901; F:ferredoxin hydrogenase activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR Gene3D; 4.10.480.10; Cytochrome-c3 hydrogenase, C-terminal domain; 1.
DR Gene3D; 3.40.50.700; NADH:ubiquinone oxidoreductase-like, 20kDa subunit; 1.
DR InterPro; IPR027394; Cytochrome-c3_hydrogenase_C.
DR InterPro; IPR006137; NADH_UbQ_OxRdtase-like_20kDa.
DR InterPro; IPR037148; NiFe-Hase_small_C_sf.
DR InterPro; IPR037024; NiFe_Hase_small_N_sf.
DR InterPro; IPR001821; NiFe_hydrogenase_ssu.
DR NCBIfam; TIGR00391; hydA; 1.
DR PANTHER; PTHR30013:SF7; HYDROGENASE-2 SMALL CHAIN; 1.
DR PANTHER; PTHR30013; NIFE / NIFESE HYDROGENASE SMALL SUBUNIT FAMILY MEMBER; 1.
DR Pfam; PF14720; NiFe_hyd_SSU_C; 1.
DR Pfam; PF01058; Oxidored_q6; 1.
DR PIRSF; PIRSF000310; NiFe_hyd_ssu; 1.
DR PRINTS; PR00614; NIHGNASESMLL.
DR SUPFAM; SSF56770; HydA/Nqo6-like; 1.
PE 3: Inferred from homology;
KW 3Fe-4S {ECO:0000256|ARBA:ARBA00023291, ECO:0000256|PIRSR:PIRSR000310-1};
KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|PIRSR:PIRSR000310-1};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR000310-1};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|PIRSR:PIRSR000310-
KW 1};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR000310-1};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000194003};
KW Signal {ECO:0000256|ARBA:ARBA00022729}.
FT DOMAIN 35..181
FT /note="NADH:ubiquinone oxidoreductase-like 20kDa subunit"
FT /evidence="ECO:0000259|Pfam:PF01058"
FT DOMAIN 200..278
FT /note="Cytochrome-c3 hydrogenase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF14720"
FT BINDING 35
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000310-1"
FT BINDING 38
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000310-1"
FT BINDING 133
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000310-1"
FT BINDING 167
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000310-1"
FT BINDING 205
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000310-1"
FT BINDING 208
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000310-1"
FT BINDING 233
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000310-1"
FT BINDING 239
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000310-1"
FT BINDING 248
FT /ligand="[3Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:21137"
FT /evidence="ECO:0000256|PIRSR:PIRSR000310-1"
FT BINDING 269
FT /ligand="[3Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:21137"
FT /evidence="ECO:0000256|PIRSR:PIRSR000310-1"
FT BINDING 272
FT /ligand="[3Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:21137"
FT /evidence="ECO:0000256|PIRSR:PIRSR000310-1"
SQ SEQUENCE 359 AA; 37541 MW; EC8EBB3D4FE26750 CRC64;
MAATLGLPYS AGAKIAAAAT APDRPIVLWL SGQECTGCSE SLLRADHPTL EHLLLDALSL
DYHETLCAAA GHQIEALRKD TVENKKGRYV LVVEGAIPLA DNGIYCKIGG RTMIDLVTEA
AEGALAIIAI GSCASWGGVA AASPNPTHAV GAPEALKGKT VVTIPGCPPN PHNFIATVLH
LLTFGKAPAL DDKGRPLFAY GKRVHDHCER RAHFNAGRFA ERFGDEGHRQ GWCLYKLGCK
GPETYANCPS LRFSDGAGGV WPVSVGHPCF GCTEQGVGFS KGIHQLAEVQ EKLPSGVHPN
VDETRGQGVT TLTAALTAGA VGAAVGAAGV GLCKMERRNL SCELPPDKSS DAAQRNSKK
//
