ID GMHA_YERP3 Reviewed; 193 AA. AC A7FLK2; DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot. DT 11-SEP-2007, sequence version 1. DT 27-MAR-2024, entry version 85. DE RecName: Full=Phosphoheptose isomerase {ECO:0000255|HAMAP-Rule:MF_00067}; DE EC=5.3.1.28 {ECO:0000255|HAMAP-Rule:MF_00067}; DE AltName: Full=Sedoheptulose 7-phosphate isomerase {ECO:0000255|HAMAP-Rule:MF_00067}; GN Name=gmhA {ECO:0000255|HAMAP-Rule:MF_00067}; GN OrderedLocusNames=YpsIP31758_3170; OS Yersinia pseudotuberculosis serotype O:1b (strain IP 31758). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Yersiniaceae; Yersinia. OX NCBI_TaxID=349747; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=IP 31758; RX PubMed=17784789; DOI=10.1371/journal.pgen.0030142; RA Eppinger M., Rosovitz M.J., Fricke W.F., Rasko D.A., Kokorina G., RA Fayolle C., Lindler L.E., Carniel E., Ravel J.; RT "The complete genome sequence of Yersinia pseudotuberculosis IP31758, the RT causative agent of Far East scarlet-like fever."; RL PLoS Genet. 3:1508-1523(2007). CC -!- FUNCTION: Catalyzes the isomerization of sedoheptulose 7-phosphate in CC D-glycero-D-manno-heptose 7-phosphate. {ECO:0000255|HAMAP- CC Rule:MF_00067}. CC -!- CATALYTIC ACTIVITY: CC Reaction=2 D-sedoheptulose 7-phosphate = D-glycero-alpha-D-manno- CC heptose 7-phosphate + D-glycero-beta-D-manno-heptose 7-phosphate; CC Xref=Rhea:RHEA:27489, ChEBI:CHEBI:57483, ChEBI:CHEBI:60203, CC ChEBI:CHEBI:60204; EC=5.3.1.28; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00067}; CC -!- COFACTOR: CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00067}; CC Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00067}; CC -!- PATHWAY: Carbohydrate biosynthesis; D-glycero-D-manno-heptose 7- CC phosphate biosynthesis; D-glycero-alpha-D-manno-heptose 7-phosphate and CC D-glycero-beta-D-manno-heptose 7-phosphate from sedoheptulose 7- CC phosphate: step 1/1. {ECO:0000255|HAMAP-Rule:MF_00067}. CC -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00067}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00067}. CC -!- MISCELLANEOUS: The reaction produces a racemic mixture of D-glycero- CC alpha-D-manno-heptose 7-phosphate and D-glycero-beta-D-manno-heptose 7- CC phosphate. {ECO:0000255|HAMAP-Rule:MF_00067}. CC -!- SIMILARITY: Belongs to the SIS family. GmhA subfamily. CC {ECO:0000255|HAMAP-Rule:MF_00067}. 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; CP000720; ABS49655.1; -; Genomic_DNA. DR RefSeq; WP_002208720.1; NC_009708.1. DR AlphaFoldDB; A7FLK2; -. DR SMR; A7FLK2; -. DR GeneID; 66842687; -. DR KEGG; ypi:YpsIP31758_3170; -. DR HOGENOM; CLU_080999_4_0_6; -. DR UniPathway; UPA00041; UER00436. DR Proteomes; UP000002412; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0097367; F:carbohydrate derivative binding; IEA:InterPro. DR GO; GO:0008968; F:D-sedoheptulose 7-phosphate isomerase activity; IEA:UniProtKB-UniRule. DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule. DR GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-UniRule. DR GO; GO:2001061; P:D-glycero-D-manno-heptose 7-phosphate biosynthetic process; IEA:UniProtKB-UniPathway. DR CDD; cd05006; SIS_GmhA; 1. DR HAMAP; MF_00067; GmhA; 1. DR InterPro; IPR035461; GmhA/DiaA. DR InterPro; IPR004515; Phosphoheptose_Isoase. DR InterPro; IPR001347; SIS_dom. DR InterPro; IPR046348; SIS_dom_sf. DR NCBIfam; TIGR00441; gmhA; 1. DR PANTHER; PTHR30390:SF7; PHOSPHOHEPTOSE ISOMERASE; 1. DR PANTHER; PTHR30390; SEDOHEPTULOSE 7-PHOSPHATE ISOMERASE / DNAA INITIATOR-ASSOCIATING FACTOR FOR REPLICATION INITIATION; 1. DR Pfam; PF13580; SIS_2; 1. DR SUPFAM; SSF53697; SIS domain; 1. DR PROSITE; PS51464; SIS; 1. PE 3: Inferred from homology; KW Carbohydrate metabolism; Cytoplasm; Isomerase; Metal-binding; Zinc. FT CHAIN 1..193 FT /note="Phosphoheptose isomerase" FT /id="PRO_1000057454" FT DOMAIN 37..193 FT /note="SIS" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00067" FT BINDING 52..54 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00067" FT BINDING 61 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00067" FT BINDING 65 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00067" FT BINDING 65 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00067" FT BINDING 93..94 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00067" FT BINDING 119..121 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00067" FT BINDING 124 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00067" FT BINDING 172 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00067" FT BINDING 172 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00067" FT BINDING 180 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00067" SQ SEQUENCE 193 AA; 20929 MW; 373DCD0C362AD0EB CRC64; MYHDLIRSEL NEAADTLANF LKDDSNIDAI QRAAILLADS FKAGGKVLSC GNGGSHCDAM HFAEELTGRY RENRPGYPAI AISDVSHLSC VSNDFGYDYV FSRYVEAVGR EGDVLLGIST SGNSGNIIKA IEAARAKGMK VITLTGKDGG KMAGSADIEI RVPHFGYADR IQEIHIKVIH ILIQLIEKEM VKA //