ID C7LWV3_DESBD Unreviewed; 125 AA.
AC C7LWV3;
DT 13-OCT-2009, integrated into UniProtKB/TrEMBL.
DT 13-OCT-2009, sequence version 1.
DT 27-MAR-2024, entry version 77.
DE RecName: Full=Phosphoribosyl-AMP cyclohydrolase {ECO:0000256|HAMAP-Rule:MF_01021};
DE Short=PRA-CH {ECO:0000256|HAMAP-Rule:MF_01021};
DE EC=3.5.4.19 {ECO:0000256|HAMAP-Rule:MF_01021};
GN Name=hisI {ECO:0000256|HAMAP-Rule:MF_01021};
GN OrderedLocusNames=Dbac_3088 {ECO:0000313|EMBL:ACU91163.1};
OS Desulfomicrobium baculatum (strain DSM 4028 / VKM B-1378 / X)
OS (Desulfovibrio baculatus).
OC Bacteria; Thermodesulfobacteriota; Desulfovibrionia; Desulfovibrionales;
OC Desulfomicrobiaceae; Desulfomicrobium.
OX NCBI_TaxID=525897 {ECO:0000313|EMBL:ACU91163.1, ECO:0000313|Proteomes:UP000002216};
RN [1] {ECO:0000313|EMBL:ACU91163.1, ECO:0000313|Proteomes:UP000002216}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 4028 / VKM B-1378 / X {ECO:0000313|Proteomes:UP000002216};
RX PubMed=21304634; DOI=10.4056/sigs.13134;
RA Copeland A., Spring S., Goker M., Schneider S., Lapidus A., Del Rio T.G.,
RA Tice H., Cheng J.F., Chen F., Nolan M., Bruce D., Goodwin L., Pitluck S.,
RA Ivanova N., Mavrommatis K., Ovchinnikova G., Pati A., Chen A.,
RA Palaniappan K., Land M., Hauser L., Chang Y.J., Jeffries C.C., Meincke L.,
RA Sims D., Brettin T., Detter J.C., Han C., Chain P., Bristow J., Eisen J.A.,
RA Markowitz V., Hugenholtz P., Kyrpides N.C., Klenk H.P., Lucas S.;
RT "Complete genome sequence of Desulfomicrobium baculatum type strain (X).";
RL Stand. Genomic Sci. 1:29-37(2009).
CC -!- FUNCTION: Catalyzes the hydrolysis of the adenine ring of
CC phosphoribosyl-AMP. {ECO:0000256|HAMAP-Rule:MF_01021}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1-(5-phospho-beta-D-ribosyl)-5'-AMP + H2O = 1-(5-phospho-beta-
CC D-ribosyl)-5-[(5-phospho-beta-D-
CC ribosylamino)methylideneamino]imidazole-4-carboxamide;
CC Xref=Rhea:RHEA:20049, ChEBI:CHEBI:15377, ChEBI:CHEBI:58435,
CC ChEBI:CHEBI:59457; EC=3.5.4.19;
CC Evidence={ECO:0000256|ARBA:ARBA00000024, ECO:0000256|HAMAP-
CC Rule:MF_01021};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01021};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|HAMAP-Rule:MF_01021};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01021};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|HAMAP-Rule:MF_01021};
CC -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC from 5-phospho-alpha-D-ribose 1-diphosphate: step 3/9.
CC {ECO:0000256|ARBA:ARBA00005169, ECO:0000256|HAMAP-Rule:MF_01021}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01021}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01021}.
CC -!- SIMILARITY: Belongs to the PRA-CH family. {ECO:0000256|HAMAP-
CC Rule:MF_01021}.
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DR EMBL; CP001629; ACU91163.1; -; Genomic_DNA.
DR RefSeq; WP_015775252.1; NC_013173.1.
DR AlphaFoldDB; C7LWV3; -.
DR STRING; 525897.Dbac_3088; -.
DR KEGG; dba:Dbac_3088; -.
DR eggNOG; COG0139; Bacteria.
DR HOGENOM; CLU_048577_5_0_7; -.
DR OrthoDB; 9795769at2; -.
DR UniPathway; UPA00031; UER00008.
DR Proteomes; UP000002216; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004635; F:phosphoribosyl-AMP cyclohydrolase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.10.20.810; Phosphoribosyl-AMP cyclohydrolase; 1.
DR HAMAP; MF_01021; HisI; 1.
DR InterPro; IPR026660; PRA-CH.
DR InterPro; IPR002496; PRib_AMP_CycHydrolase_dom.
DR InterPro; IPR038019; PRib_AMP_CycHydrolase_sf.
DR PANTHER; PTHR42945; HISTIDINE BIOSYNTHESIS BIFUNCTIONAL PROTEIN; 1.
DR PANTHER; PTHR42945:SF1; HISTIDINE BIOSYNTHESIS BIFUNCTIONAL PROTEIN HIS7; 1.
DR Pfam; PF01502; PRA-CH; 1.
DR SUPFAM; SSF141734; HisI-like; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_01021};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01021};
KW Histidine biosynthesis {ECO:0000256|ARBA:ARBA00023102, ECO:0000256|HAMAP-
KW Rule:MF_01021};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_01021};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_01021};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_01021};
KW Reference proteome {ECO:0000313|Proteomes:UP000002216};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_01021}.
FT DOMAIN 27..101
FT /note="Phosphoribosyl-AMP cyclohydrolase"
FT /evidence="ECO:0000259|Pfam:PF01502"
FT BINDING 74
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 75
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 76
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 78
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 92
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 99
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
SQ SEQUENCE 125 AA; 14243 MW; FB33CD81C8DC4480 CRC64;
MEQPDFDKCG GLIPVIAQEA ASGEVLMLAY MNEEAWNETL RTGEVHYYSR SRKSLWHKGG
TSGHVQKVRS IRLDCDRDTV LVQVEQIGGA ACHTGRRSCF YRERDAQGRW TDCSPMVFDP
KEVYK
//
