ID B4S3M4_PROA2 Unreviewed; 199 AA.
AC B4S3M4;
DT 23-SEP-2008, integrated into UniProtKB/TrEMBL.
DT 23-SEP-2008, sequence version 1.
DT 24-JAN-2024, entry version 90.
DE RecName: Full=Phosphoheptose isomerase {ECO:0000256|HAMAP-Rule:MF_00067};
DE EC=5.3.1.28 {ECO:0000256|HAMAP-Rule:MF_00067};
DE AltName: Full=Sedoheptulose 7-phosphate isomerase {ECO:0000256|HAMAP-Rule:MF_00067};
GN Name=gmhA {ECO:0000256|HAMAP-Rule:MF_00067};
GN OrderedLocusNames=Paes_1745 {ECO:0000313|EMBL:ACF46763.1};
OS Prosthecochloris aestuarii (strain DSM 271 / SK 413).
OC Bacteria; Chlorobiota; Chlorobiia; Chlorobiales; Chlorobiaceae;
OC Prosthecochloris.
OX NCBI_TaxID=290512 {ECO:0000313|EMBL:ACF46763.1, ECO:0000313|Proteomes:UP000002725};
RN [1] {ECO:0000313|EMBL:ACF46763.1, ECO:0000313|Proteomes:UP000002725}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 271 / SK 413 {ECO:0000313|Proteomes:UP000002725};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Anderson I., Liu Z., Li T., Zhao F., Overmann J.,
RA Bryant D.A., Richardson P.;
RT "Complete sequence of chromosome of Prosthecochloris aestuarii DSM 271.";
RL Submitted (JUN-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the isomerization of sedoheptulose 7-phosphate in
CC D-glycero-D-manno-heptose 7-phosphate. {ECO:0000256|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;
CC Evidence={ECO:0000256|ARBA:ARBA00000348, ECO:0000256|HAMAP-
CC Rule:MF_00067};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00067};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|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:0000256|HAMAP-Rule:MF_00067}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|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:0000256|HAMAP-Rule:MF_00067}.
CC -!- SIMILARITY: Belongs to the SIS family. GmhA subfamily.
CC {ECO:0000256|ARBA:ARBA00009894, ECO:0000256|HAMAP-Rule:MF_00067}.
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DR EMBL; CP001108; ACF46763.1; -; Genomic_DNA.
DR RefSeq; WP_012506296.1; NC_011059.1.
DR AlphaFoldDB; B4S3M4; -.
DR STRING; 290512.Paes_1745; -.
DR KEGG; paa:Paes_1745; -.
DR eggNOG; COG0279; Bacteria.
DR HOGENOM; CLU_080999_4_0_10; -.
DR OMA; DVHICVP; -.
DR UniPathway; UPA00041; UER00436.
DR Proteomes; UP000002725; 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 PANTHER; PTHR30390:SF6; DNAA INITIATOR-ASSOCIATING PROTEIN DIAA; 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 {ECO:0000256|ARBA:ARBA00023277, ECO:0000256|HAMAP-
KW Rule:MF_00067};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00067};
KW Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_00067};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00067}; Reference proteome {ECO:0000313|Proteomes:UP000002725};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_00067}.
FT DOMAIN 38..196
FT /note="SIS"
FT /evidence="ECO:0000259|PROSITE:PS51464"
FT BINDING 53..55
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00067"
FT BINDING 62
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00067"
FT BINDING 66
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00067"
FT BINDING 66
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00067"
FT BINDING 95..96
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00067"
FT BINDING 121..123
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00067"
FT BINDING 126
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00067"
FT BINDING 172
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00067"
FT BINDING 172
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00067"
FT BINDING 180
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00067"
SQ SEQUENCE 199 AA; 21499 MW; 9D155A99BA12834D CRC64;
MGILETIKKA ISHSIEVKQD ILEDKELIGE IIKVIDDLIK ALNCGNRIIF AGNGGSAADA
QHLAAEFVSR FQFDRPGLPA LSLATDTSMI TAIGNDYGYE KLFVRQLEAQ SRKGDVFVGL
TTSGKSPNIL AAFDACNLLG VTSVALCGLG GDLEDKVDYL IRVPSIHTPR IQESHILIGH
IICAEVEQQI FSHLAPSQK
//