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Database: UniProt
Entry: A0A3N6PA72_9EURY
LinkDB: A0A3N6PA72_9EURY
Original site: A0A3N6PA72_9EURY 
ID   A0A3N6PA72_9EURY        Unreviewed;       235 AA.
AC   A0A3N6PA72;
DT   13-FEB-2019, integrated into UniProtKB/TrEMBL.
DT   13-FEB-2019, sequence version 1.
DT   24-JAN-2024, entry version 16.
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:RQG93245.1};
GN   ORFNames=EA462_03365 {ECO:0000313|EMBL:RQG93245.1};
OS   Natrarchaeobius halalkaliphilus.
OC   Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Natrialbales;
OC   Natrialbaceae; Natrarchaeobius.
OX   NCBI_TaxID=1679091 {ECO:0000313|EMBL:RQG93245.1, ECO:0000313|Proteomes:UP000273828};
RN   [1] {ECO:0000313|EMBL:RQG93245.1, ECO:0000313|Proteomes:UP000273828}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AArcht-Sl {ECO:0000313|EMBL:RQG93245.1,
RC   ECO:0000313|Proteomes:UP000273828};
RA   Sorokin D.Y., Elcheninov A.G., Kostrikina N.A., Bale N.J.,
RA   Sinninghe Damste J.S., Khijniak T.V., Kublanov I.V., Toshchakov S.V.;
RT   "Natrarchaeobius chitinivorans gen. nov., sp. nov., and Natrarchaeobius
RT   haloalkaliphilus sp. nov., alkaliphilic, chitin-utilizing haloarchaea from
RT   hypersaline alkaline lakes.";
RL   Submitted (OCT-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   -!- 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:RQG93245.1}.
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DR   EMBL; REFY01000001; RQG93245.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A3N6PA72; -.
DR   OrthoDB; 19013at2157; -.
DR   UniPathway; UPA00115; UER00412.
DR   Proteomes; UP000273828; Unassembled WGS sequence.
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};
KW   Reference proteome {ECO:0000313|Proteomes:UP000273828}.
FT   ACT_SITE        115
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
FT   BINDING         32..35
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         106..109
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
FT   BINDING         133
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
SQ   SEQUENCE   235 AA;  24403 MW;  BC6D0BDCB1C90B73 CRC64;
     MKTEGGTDEA KRRAGERAAR AVEDGTVVGL GTGSTTACAI DALGRAVADG LEIRAVPTSF
     QSRRLALEAD IPVTELDAVD RIDLAIDGAD QVVDQPAASA HGALIKGGGA AHTREKLIDA
     TAERFVVVVD PSKLTDELDR SVPLEVLPDA HSVVGDRVRE LSGEPTLRDA TGKDGPVVTD
     NGNLVLDCAF GAISEPGDLA SRLSRIPGVV EHGLFVGLAD ATYVGTDDGL EVREY
//
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