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Q9PNE6 (GMHA1_CAMJE) Reviewed, UniProtKB/Swiss-Prot

Last modified January 25, 2012. Version 71. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (3) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Interactions·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Phosphoheptose isomerase 1

EC=5.3.1.28
Alternative name(s):
Sedoheptulose 7-phosphate isomerase 1
Gene names
Name:gmhA1
Synonyms:gmhA
Ordered Locus Names:Cj1149c
OrganismCampylobacter jejuni
Taxonomic identifier197 [NCBI]
Taxonomic lineageBacteriaProteobacteriaEpsilonproteobacteriaCampylobacteralesCampylobacteraceaeCampylobacter

Protein attributes

Sequence length186 AA.
Sequence statusComplete.
Protein existenceEvidence at protein level

General annotation (Comments)

Function

Catalyzes the isomerization of sedoheptulose 7-phosphate in D-glycero-D-manno-heptose 7-phosphate By similarity. HAMAP MF_00067

Catalytic activity

D-sedoheptulose 7-phosphate = D-glycero-D-manno-heptose 7-phosphate. HAMAP MF_00067

Cofactor

Binds 1 zinc ion per subunit By similarity. HAMAP MF_00067

Pathway

Carbohydrate biosynthesis; D-glycero-D-manno-heptose 7-phosphate biosynthesis; D-glycero-alpha-D-manno-heptose 7-phosphate and D-glycero-beta-D-manno-heptose 7-phosphate from sedoheptulose 7-phosphate: step 1/1. HAMAP MF_00067

Bacterial outer membrane biogenesis; LOS core biosynthesis. HAMAP MF_00067

Subunit structure

Homotetramer By similarity. HAMAP MF_00067

Subcellular location

Cytoplasm By similarity HAMAP MF_00067.

Miscellaneous

The reaction produces a racemic mixture of D-glycero-alpha-D-manno-heptose 7-phosphate and D-glycero-beta-D-manno-heptose 7-phosphate By similarity. HAMAP MF_00067

Sequence similarities

Belongs to the SIS family. GmhA subfamily.

Contains 1 SIS domain.

Ontologies

Keywords
   Biological processCarbohydrate metabolism
   Cellular componentCytoplasm
   LigandMetal-binding
Zinc
   Molecular functionIsomerase
   Technical term3D-structure
Complete proteome
Reference proteome
Gene Ontology (GO)
   Biological processlipopolysaccharide core region biosynthetic process

Inferred from electronic annotation. Source: InterPro

   Cellular componentcytoplasm

Inferred from electronic annotation. Source: UniProtKB-SubCell

   Molecular functionD-sedoheptulose 7-phosphate isomerase activity

Inferred from electronic annotation. Source: InterPro

metal ion binding

Inferred from electronic annotation. Source: UniProtKB-KW

sugar binding

Inferred from electronic annotation. Source: InterPro

Complete GO annotation...

Binary interactions

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 186186Phosphoheptose isomerase 1 HAMAP MF_00067
PRO_0000136522

Regions

Domain33 – 186154SIS
Region48 – 503Substrate binding By similarity
Region90 – 912Substrate binding By similarity
Region116 – 1183Substrate binding By similarity

Sites

Metal binding571Zinc By similarity
Metal binding611Zinc By similarity
Metal binding1681Zinc By similarity
Metal binding1761Zinc By similarity
Binding site611Substrate By similarity
Binding site1211Substrate By similarity
Binding site1681Substrate By similarity

Experimental info

Sequence conflict161V → A in AAR82882. Ref.2
Sequence conflict181A → E in AAR99164. Ref.1
Sequence conflict181A → E in AAR82882. Ref.2
Sequence conflict311E → D in AAR99164. Ref.1
Sequence conflict1091K → N in AAR99164. Ref.1
Sequence conflict1091K → N in AAR82882. Ref.2
Sequence conflict1281L → F in AAR99164. Ref.1
Sequence conflict1281L → F in AAR82882. Ref.2

Secondary structure

................................ 186
Helix Strand Turn

Details...

Sequences

Sequence LengthMass (Da)Tools
Q9PNE6 [UniParc].

Last modified October 1, 2000. Version 1.
Checksum: D7759471EC88924D

FASTA18620,085
        10         20         30         40         50         60 
MINLVEKEWQ EHQKIVQASE ILKGQIAKVG ELLCECLKKG GKILICGNGG SAADAQHFAA 

        70         80         90        100        110        120 
ELSGRYKKER KALAGIALTT DTSALSAIGN DYGFEFVFSR QVEALGNEKD VLIGISTSGK 

       130        140        150        160        170        180 
SPNVLEALKK AKELNMLCLG LSGKGGGMMN KLCDHNLVVP SDDTARIQEM HILIIHTLCQ 


IIDESF 

« Hide

References

« Hide 'large scale' references
[1]Gilbert M.
Submitted (JAN-2004) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
Strain: ATCC 43446 / MK104 / Serotype O:19.
[2]"Evidence for acquisition of the lipooligosaccharide biosynthesis locus in Campylobacter jejuni GB11, a strain isolated from a patient with Guillain-Barre syndrome, by horizontal exchange."
Gilbert M., Godschalk P.C., Karwaski M.-F., Ang C.W., Van Belkum A., Li J., Wakarchuk W.W., Endtz H.P.
Infect. Immun. 72:1162-1165(2004) [PubMed: 14742567] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
Strain: GB11.
[3]"The genome sequence of the food-borne pathogen Campylobacter jejuni reveals hypervariable sequences."
Parkhill J., Wren B.W., Mungall K.L., Ketley J.M., Churcher C.M., Basham D., Chillingworth T., Davies R.M., Feltwell T., Holroyd S., Jagels K., Karlyshev A.V., Moule S., Pallen M.J., Penn C.W., Quail M.A., Rajandream M.A., Rutherford K.M. expand/collapse author list , van Vliet A.H.M., Whitehead S., Barrell B.G.
Nature 403:665-668(2000) [PubMed: 10688204] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: NCTC 11168 / Serotype O:2.
[4]"Novel pathways for biosynthesis of nucleotide-activated glycero-manno-heptose precursors of bacterial glycoproteins and cell surface polysaccharides."
Valvano M.A., Messner P., Kosma P.
Microbiology 148:1979-1989(2002) [PubMed: 12101286] [Abstract]
Cited for: BIOSYNTHESIS OF NUCLEOTIDE-ACTIVATED GLYCERO-MANNO-HEPTOSE.
[5]"Deciphering Campylobacter jejuni cell surface interactions from the genome sequence."
Linton D., Karlyshev A.V., Wren B.W.
Curr. Opin. Microbiol. 4:35-40(2001) [PubMed: 11173031] [Abstract]
Cited for: CELL SURFACE.
[6]"Crystal structures of two putative phosphoheptose isomerases."
Seetharaman J., Rajashankar K.R., Solorzano V., Kniewel R., Lima C.D., Bonanno J.B., Burley S.K., Swaminathan S.
Proteins 63:1092-1096(2006) [PubMed: 16477602] [Abstract]
Cited for: X-RAY CRYSTALLOGRAPHY (2.1 ANGSTROMS) OF 2-186.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AF167344 Genomic DNA. Translation: AAR99164.1.
AY422197 Genomic DNA. Translation: AAR82882.1.
AL111168 Genomic DNA. Translation: CAL35264.1.
PIRG81319.
RefSeqYP_002344540.1. NC_002163.1.

3D structure databases

PDBe
RCSB PDB
PDBj
EntryMethodResolution (Å)ChainPositionsPDBsum
1TK9X-ray2.10A/B/C/D2-186[»]
ProteinModelPortalQ9PNE6.
SMRQ9PNE6. Positions 1-186.
ModBaseSearch...

Protein-protein interaction databases

IntActQ9PNE6. 105 interactions.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

GeneID905439.
GenomeReviewsGene locus Cj1149c in contig AL111168_GR.
KEGGcje:Cj1149c.
PATRIC20059254. VBICamJej33762_1130.

Phylogenomic databases

HOGENOMHBG671955.
OMAHITIIHI.
ProtClustDBPRK13937.

Enzyme and pathway databases

BioCycCJEJ192222:CJ1149C-MONOMER.

Family and domain databases

HAMAPMF_00067. GmhA.
[Tree]
InterProIPR004515. Phosphoheptose_Isoase_subgr.
IPR020620. Phosphoheptose_isomerase.
IPR001347. SIS.
[Graphical view]
KOK03271.
PfamPF01380. SIS. 1 hit.
[Graphical view]
TIGRFAMsTIGR00441. GmhA. 1 hit.
PROSITEPS51464. SIS. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameGMHA1_CAMJE
AccessionPrimary (citable) accession number: Q9PNE6
Secondary accession number(s): Q0P9A7, Q6TG10, Q7BPS4
Entry history
Integrated into UniProtKB/Swiss-Prot: February 28, 2003
Last sequence update: October 1, 2000
Last modified: January 25, 2012
This is version 71 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

PATHWAY comments

Index of metabolic and biosynthesis pathways

PDB cross-references

Index of Protein Data Bank (PDB) cross-references

SIMILARITY comments

Index of protein domains and families