ID A0A2K5AS54_9ARCH Unreviewed; 229 AA.
AC A0A2K5AS54;
DT 28-MAR-2018, integrated into UniProtKB/TrEMBL.
DT 28-MAR-2018, sequence version 1.
DT 24-JAN-2024, entry version 37.
DE RecName: Full=Ribose-5-phosphate isomerase A {ECO:0000256|HAMAP-Rule:MF_00170};
DE EC=5.3.1.6 {ECO:0000256|HAMAP-Rule:MF_00170};
DE AltName: Full=Phosphoriboisomerase A {ECO:0000256|HAMAP-Rule:MF_00170};
DE Short=PRI {ECO:0000256|HAMAP-Rule:MF_00170};
GN Name=rpiA {ECO:0000256|HAMAP-Rule:MF_00170,
GN ECO:0000313|EMBL:SPC34480.1};
GN ORFNames=NCAV_1314 {ECO:0000313|EMBL:SPC34480.1};
OS Candidatus Nitrosocaldus cavascurensis.
OC Archaea; Nitrososphaerota; Nitrososphaeria; Candidatus Nitrosocaldales;
OC Candidatus Nitrosocaldaceae; Candidatus Nitrosocaldus.
OX NCBI_TaxID=2058097 {ECO:0000313|EMBL:SPC34480.1, ECO:0000313|Proteomes:UP000236248};
RN [1] {ECO:0000313|Proteomes:UP000236248}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SCU2 {ECO:0000313|Proteomes:UP000236248};
RA Kerou L M.;
RL Submitted (JAN-2018) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the reversible conversion of ribose-5-phosphate to
CC ribulose 5-phosphate. {ECO:0000256|HAMAP-Rule:MF_00170}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=aldehydo-D-ribose 5-phosphate = D-ribulose 5-phosphate;
CC Xref=Rhea:RHEA:14657, ChEBI:CHEBI:58121, ChEBI:CHEBI:58273;
CC EC=5.3.1.6; Evidence={ECO:0000256|HAMAP-Rule:MF_00170};
CC -!- PATHWAY: Carbohydrate degradation; pentose phosphate pathway; D-ribose
CC 5-phosphate from D-ribulose 5-phosphate (non-oxidative stage): step
CC 1/1. {ECO:0000256|HAMAP-Rule:MF_00170}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00170}.
CC -!- SIMILARITY: Belongs to the ribose 5-phosphate isomerase family.
CC {ECO:0000256|HAMAP-Rule:MF_00170}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; LT981265; SPC34480.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2K5AS54; -.
DR KEGG; ncv:NCAV_1314; -.
DR UniPathway; UPA00115; UER00412.
DR Proteomes; UP000236248; Chromosome ncav.
DR GO; GO:0004751; F:ribose-5-phosphate isomerase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0009052; P:pentose-phosphate shunt, non-oxidative branch; IEA:UniProtKB-UniRule.
DR CDD; cd01398; RPI_A; 1.
DR Gene3D; 3.30.70.260; -; 1.
DR Gene3D; 3.40.50.1360; -; 1.
DR HAMAP; MF_00170; Rib_5P_isom_A; 1.
DR InterPro; IPR037171; NagB/RpiA_transferase-like.
DR InterPro; IPR020672; Ribose5P_isomerase_typA_subgr.
DR InterPro; IPR004788; Ribose5P_isomerase_type_A.
DR NCBIfam; TIGR00021; rpiA; 1.
DR PANTHER; PTHR11934; RIBOSE-5-PHOSPHATE ISOMERASE; 1.
DR PANTHER; PTHR11934:SF0; RIBOSE-5-PHOSPHATE ISOMERASE; 1.
DR Pfam; PF06026; Rib_5-P_isom_A; 1.
DR SUPFAM; SSF75445; D-ribose-5-phosphate isomerase (RpiA), lid domain; 1.
DR SUPFAM; SSF100950; NagB/RpiA/CoA transferase-like; 1.
PE 3: Inferred from homology;
KW Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_00170}.
FT ACT_SITE 109
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
FT BINDING 28..31
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
FT BINDING 87..90
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
FT BINDING 100..103
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
FT BINDING 127
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
SQ SEQUENCE 229 AA; 25140 MW; FBDA52589C093653 CRC64;
MNTITMTRML ESAVYEHVRN GMIIGLGSGR TVAALLDVLA RMSRSMSIDM ASIRFIPTSL
QIKMKAEELK MSIGDESLIP SVDLVFDGAD QIDANLVMIK GGGGALLREK VLMYAAKKVV
ILADESKYVD KLTLPIPIEV VPYARVYVSS MLRSISAEPS VRVNDRGYPV MTENGNIIID
TAFSSIEDPY SLEHRLKCIP GVVEVGLFSK VADLYYKARE DGGFDVIGR
//
