HCP_METAR
ID HCP_METAR Reviewed; 543 AA.
AC Q0W3X3;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 05-SEP-2006, sequence version 1.
DT 03-AUG-2022, entry version 94.
DE RecName: Full=Hydroxylamine reductase {ECO:0000255|HAMAP-Rule:MF_00069};
DE EC=1.7.99.1 {ECO:0000255|HAMAP-Rule:MF_00069};
DE AltName: Full=Hybrid-cluster protein {ECO:0000255|HAMAP-Rule:MF_00069};
DE Short=HCP {ECO:0000255|HAMAP-Rule:MF_00069};
DE AltName: Full=Prismane protein {ECO:0000255|HAMAP-Rule:MF_00069};
GN Name=hcp {ECO:0000255|HAMAP-Rule:MF_00069}; OrderedLocusNames=UNCMA_13170;
GN ORFNames=RCIX1699;
OS Methanocella arvoryzae (strain DSM 22066 / NBRC 105507 / MRE50).
OC Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC Methanocellales; Methanocellaceae; Methanocella.
OX NCBI_TaxID=351160;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 22066 / NBRC 105507 / MRE50;
RX PubMed=16857943; DOI=10.1126/science.1127062;
RA Erkel C., Kube M., Reinhardt R., Liesack W.;
RT "Genome of rice cluster I archaea -- the key methane producers in the rice
RT rhizosphere.";
RL Science 313:370-372(2006).
CC -!- FUNCTION: Catalyzes the reduction of hydroxylamine to form NH(3) and
CC H(2)O. {ECO:0000255|HAMAP-Rule:MF_00069}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=A + H2O + NH4(+) = AH2 + H(+) + hydroxylamine;
CC Xref=Rhea:RHEA:22052, ChEBI:CHEBI:13193, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:15429, ChEBI:CHEBI:17499,
CC ChEBI:CHEBI:28938; EC=1.7.99.1; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00069};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00069};
CC Note=Binds 1 [4Fe-4S] cluster. {ECO:0000255|HAMAP-Rule:MF_00069};
CC -!- COFACTOR:
CC Name=hybrid [4Fe-2O-2S] cluster; Xref=ChEBI:CHEBI:60519;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00069};
CC Note=Binds 1 hybrid [4Fe-2O-2S] cluster. {ECO:0000255|HAMAP-
CC Rule:MF_00069};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00069}.
CC -!- SIMILARITY: Belongs to the HCP family. {ECO:0000255|HAMAP-
CC Rule:MF_00069}.
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DR EMBL; AM114193; CAJ36920.1; -; Genomic_DNA.
DR RefSeq; WP_012035645.1; NC_009464.1.
DR AlphaFoldDB; Q0W3X3; -.
DR SMR; Q0W3X3; -.
DR STRING; 351160.RCIX1699; -.
DR EnsemblBacteria; CAJ36920; CAJ36920; RCIX1699.
DR GeneID; 5144507; -.
DR KEGG; rci:RCIX1699; -.
DR PATRIC; fig|351160.9.peg.1358; -.
DR eggNOG; arCOG02430; Archaea.
DR OMA; CAYAQGM; -.
DR OrthoDB; 41554at2157; -.
DR Proteomes; UP000000663; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0050418; F:hydroxylamine reductase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR CDD; cd01914; HCP; 1.
DR Gene3D; 1.20.1270.20; -; 2.
DR Gene3D; 3.40.50.2030; -; 2.
DR HAMAP; MF_00069; Hydroxylam_reduct; 1.
DR InterPro; IPR004137; HCP/CODH.
DR InterPro; IPR010048; Hydroxylam_reduct.
DR InterPro; IPR016099; Prismane-like_a/b-sand.
DR InterPro; IPR011254; Prismane-like_sf.
DR InterPro; IPR016100; Prismane_a-bundle.
DR PANTHER; PTHR30109; PTHR30109; 1.
DR PANTHER; PTHR30109:SF0; PTHR30109:SF0; 1.
DR Pfam; PF03063; Prismane; 1.
DR PIRSF; PIRSF000076; HCP; 1.
DR SUPFAM; SSF56821; SSF56821; 1.
DR TIGRFAMs; TIGR01703; hybrid_clust; 1.
PE 3: Inferred from homology;
KW 4Fe-4S; Cytoplasm; Iron; Iron-sulfur; Metal-binding; Oxidoreductase;
KW Reference proteome.
FT CHAIN 1..543
FT /note="Hydroxylamine reductase"
FT /id="PRO_1000009178"
FT BINDING 3
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
FT BINDING 6
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
FT BINDING 15
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
FT BINDING 21
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
FT BINDING 244
FT /ligand="hybrid [4Fe-2O-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:60519"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
FT BINDING 268
FT /ligand="hybrid [4Fe-2O-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:60519"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
FT BINDING 312
FT /ligand="hybrid [4Fe-2O-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:60519"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
FT BINDING 399
FT /ligand="hybrid [4Fe-2O-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:60519"
FT /note="via persulfide group"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
FT BINDING 427
FT /ligand="hybrid [4Fe-2O-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:60519"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
FT BINDING 452
FT /ligand="hybrid [4Fe-2O-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:60519"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
FT BINDING 486
FT /ligand="hybrid [4Fe-2O-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:60519"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
FT BINDING 488
FT /ligand="hybrid [4Fe-2O-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:60519"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
FT MOD_RES 399
FT /note="Cysteine persulfide"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00069"
SQ SEQUENCE 543 AA; 59343 MW; D31B7607416D4A6C CRC64;
MFCYQCEQTA KGEGCTISGV CGKKPETAAL QDLLVYSLIG LSEVAVEARL YGVVGHEYDE
FTVKALFTTL TNVNFDDASL AEYINRAVVL REQLKYRLKA AGGRAEFTDA PATFKPAADL
NGMIEQGRNV GLKSDVFAAD ENIRSLQHIT LFGIKGVAAY ADHAMILGQE DKKVFEFIYD
GLAAMRNSKL GLNDWVGLAL KCGEINIRAM ELLDAGNTGT YGHPTITRVP LGAKKGKAIL
ISGHDLKDLE MLLKQTEGKG INIYTHGEML PAHAYPELKK YPHFYGHYGT AWQNQINEFA
AFPGPIVMTT NCIQKPRDSY LGSIYTMGSV SWPGAVHIKN DNYDQVIKKA LEMPGFTEDK
PGKEILVGFG RNTVLSVAPA VIDAVKNKQL RHFFLVAGCD GAKPGRSYYT EFVEKVPQDC
VVLTLACGKF RFFDKDMGAI GGIPRLLDVG QCNDAYSAVK IAMALADAFK VGVNDLPLSM
ILSWYEQKAA AILLSLLYLG IKDIRLGPSL PAFITPAVLD VLVKNFNIMP ITTPEQDLKA
ILG
