ID B6AX44_9RHOB Unreviewed; 360 AA.
AC B6AX44;
DT 25-NOV-2008, integrated into UniProtKB/TrEMBL.
DT 25-NOV-2008, sequence version 1.
DT 24-JAN-2024, entry version 71.
DE RecName: Full=Phosphoribosylformylglycinamidine cyclo-ligase {ECO:0000256|ARBA:ARBA00020367, ECO:0000256|HAMAP-Rule:MF_00741};
DE EC=6.3.3.1 {ECO:0000256|ARBA:ARBA00013047, ECO:0000256|HAMAP-Rule:MF_00741};
DE AltName: Full=AIR synthase {ECO:0000256|ARBA:ARBA00032931, ECO:0000256|HAMAP-Rule:MF_00741};
DE AltName: Full=AIRS {ECO:0000256|ARBA:ARBA00033093, ECO:0000256|HAMAP-Rule:MF_00741};
DE AltName: Full=Phosphoribosyl-aminoimidazole synthetase {ECO:0000256|ARBA:ARBA00031908, ECO:0000256|HAMAP-Rule:MF_00741};
GN Name=purM {ECO:0000256|HAMAP-Rule:MF_00741,
GN ECO:0000313|EMBL:EDZ43540.1};
GN ORFNames=RB2083_3055 {ECO:0000313|EMBL:EDZ43540.1};
OS Rhodobacteraceae bacterium HTCC2083.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Paracoccaceae.
OX NCBI_TaxID=314270 {ECO:0000313|EMBL:EDZ43540.1, ECO:0000313|Proteomes:UP000005746};
RN [1] {ECO:0000313|Proteomes:UP000005746}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HTCC2083 {ECO:0000313|Proteomes:UP000005746};
RX PubMed=21036993; DOI=10.1128/JB.01268-10;
RA Kang I., Vergin K.L., Oh H.M., Choi A., Giovannoni S.J., Cho J.C.;
RT "Genome sequence of strain HTCC2083, a novel member of the marine clade
RT Roseobacter.";
RL J. Bacteriol. 193:319-320(2011).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-formamido-N(1)-(5-O-phospho-beta-D-ribosyl)acetamidine + ATP
CC = 5-amino-1-(5-phospho-beta-D-ribosyl)imidazole + ADP + H(+) +
CC phosphate; Xref=Rhea:RHEA:23032, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:137981,
CC ChEBI:CHEBI:147287, ChEBI:CHEBI:456216; EC=6.3.3.1;
CC Evidence={ECO:0000256|ARBA:ARBA00023392, ECO:0000256|HAMAP-
CC Rule:MF_00741};
CC -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; 5-
CC amino-1-(5-phospho-D-ribosyl)imidazole from N(2)-formyl-N(1)-(5-
CC phospho-D-ribosyl)glycinamide: step 2/2.
CC {ECO:0000256|ARBA:ARBA00004686, ECO:0000256|HAMAP-Rule:MF_00741}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00741}.
CC -!- SIMILARITY: Belongs to the AIR synthase family.
CC {ECO:0000256|ARBA:ARBA00010280, ECO:0000256|HAMAP-Rule:MF_00741}.
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DR EMBL; DS995276; EDZ43540.1; -; Genomic_DNA.
DR AlphaFoldDB; B6AX44; -.
DR STRING; 314270.RB2083_3055; -.
DR eggNOG; COG0150; Bacteria.
DR HOGENOM; CLU_047116_0_0_5; -.
DR UniPathway; UPA00074; UER00129.
DR Proteomes; UP000005746; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0004641; F:phosphoribosylformylglycinamidine cyclo-ligase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd02196; PurM; 1.
DR Gene3D; 3.90.650.10; PurM-like C-terminal domain; 1.
DR Gene3D; 3.30.1330.10; PurM-like, N-terminal domain; 1.
DR HAMAP; MF_00741; AIRS; 1.
DR InterPro; IPR010918; PurM-like_C_dom.
DR InterPro; IPR036676; PurM-like_C_sf.
DR InterPro; IPR016188; PurM-like_N.
DR InterPro; IPR036921; PurM-like_N_sf.
DR InterPro; IPR004733; PurM_cligase.
DR NCBIfam; TIGR00878; purM; 1.
DR PANTHER; PTHR10520:SF12; TRIFUNCTIONAL PURINE BIOSYNTHETIC PROTEIN ADENOSINE-3; 1.
DR PANTHER; PTHR10520; TRIFUNCTIONAL PURINE BIOSYNTHETIC PROTEIN ADENOSINE-3-RELATED; 1.
DR Pfam; PF00586; AIRS; 1.
DR Pfam; PF02769; AIRS_C; 1.
DR SUPFAM; SSF56042; PurM C-terminal domain-like; 1.
DR SUPFAM; SSF55326; PurM N-terminal domain-like; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00741}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00741};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_00741};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00741}; Purine biosynthesis {ECO:0000256|HAMAP-Rule:MF_00741};
KW Reference proteome {ECO:0000313|Proteomes:UP000005746}.
FT DOMAIN 74..177
FT /note="PurM-like N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00586"
FT DOMAIN 189..354
FT /note="PurM-like C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02769"
SQ SEQUENCE 360 AA; 37635 MW; F269FF3B8AE3C4FF CRC64;
MRKANMSEIF MSQQSPKTGI TYADAGVDIN AGNALVERIK PAAKRTNRSG VMSGLGGFGA
LFDLKGAGYN DPILVGATDG VGTKLRIAID TGNVDGVGID LVAMCVNDLV CQGAEPLFFL
DYFATGHLET ETAARIIQGI AEGCVRSNCA LIGGETAEMP GMYPEGDFDL AGFSVGAMER
GNELPANVQV GDVLLGLASD GVHSNGYSLV RKLVEISGLA WGDDCPFADG TLGEVLLTPT
RLYVTQALAA VRAGGVHALA HITGGGLTEN IPRVLPDGYG IEIDLNAWEL PPVFKWMAQT
GDIAEAEILK TFNCGMGMVL SVAADRADAL IELLQAEGEN VARLGHVTDT GEVRYTGSLL
//
