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Protein

2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase

Gene

menH

Organism
Escherichia coli (strain K12 / DH10B)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Protein inferred from homologyi

Functioni

Catalyzes a proton abstraction reaction that results in 2,5-elimination of pyruvate from 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate (SEPHCHC) and the formation of 2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate (SHCHC).UniRule annotation

Catalytic activityi

5-enolpyruvoyl-6-hydroxy-2-succinylcyclohex-3-ene-1-carboxylate = (1R,6R)-6-hydroxy-2-succinylcyclohexa-2,4-diene-1-carboxylate + pyruvate.UniRule annotation

Pathwayi: 1,4-dihydroxy-2-naphthoate biosynthesis

This protein is involved in step 3 of the subpathway that synthesizes 1,4-dihydroxy-2-naphthoate from chorismate.UniRule annotation
Proteins known to be involved in the 7 steps of the subpathway in this organism are:
  1. no protein annotated in this organism
  2. 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate synthase (menD)
  3. 2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase (menH)
  4. o-succinylbenzoate synthase (menC)
  5. no protein annotated in this organism
  6. no protein annotated in this organism
  7. no protein annotated in this organism
This subpathway is part of the pathway 1,4-dihydroxy-2-naphthoate biosynthesis, which is itself part of Quinol/quinone metabolism.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes 1,4-dihydroxy-2-naphthoate from chorismate, the pathway 1,4-dihydroxy-2-naphthoate biosynthesis and in Quinol/quinone metabolism.

Pathwayi: menaquinone biosynthesis

This protein is involved in the pathway menaquinone biosynthesis, which is part of Quinol/quinone metabolism.UniRule annotation
View all proteins of this organism that are known to be involved in the pathway menaquinone biosynthesis and in Quinol/quinone metabolism.

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Lyase

Keywords - Biological processi

Menaquinone biosynthesis

Enzyme and pathway databases

BioCyciECOL316385:GJ8B-2331-MONOMER.
UniPathwayiUPA00079.
UPA01057; UER00900.

Protein family/group databases

ESTHERiecoli-YFBB. MenH_SHCHC.

Names & Taxonomyi

Protein namesi
Recommended name:
2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthaseUniRule annotation (EC:4.2.99.20UniRule annotation)
Short name:
SHCHC synthaseUniRule annotation
Gene namesi
Name:menHUniRule annotation
Ordered Locus Names:ECDH10B_2424
OrganismiEscherichia coli (strain K12 / DH10B)
Taxonomic identifieri316385 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 2522522-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthasePRO_0000341906Add
BLAST

Proteomic databases

PRIDEiB1X8X7.

Interactioni

Subunit structurei

Monomer.UniRule annotation

Protein-protein interaction databases

STRINGi316385.ECDH10B_2424.

Structurei

3D structure databases

ProteinModelPortaliB1X8X7.
SMRiB1X8X7. Positions 1-252.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the AB hydrolase superfamily. MenH family.UniRule annotation

Phylogenomic databases

eggNOGiENOG4107J5P. Bacteria.
COG0596. LUCA.
HOGENOMiHOG000028072.
KOiK08680.
OMAiLNDWYQQ.
OrthoDBiEOG689HPM.

Family and domain databases

Gene3Di3.40.50.1820. 1 hit.
HAMAPiMF_01660. MenH.
InterProiIPR029058. AB_hydrolase.
IPR000073. AB_hydrolase_1.
IPR022485. SHCHC_synthase_MenH.
[Graphical view]
PfamiPF12697. Abhydrolase_6. 1 hit.
[Graphical view]
SUPFAMiSSF53474. SSF53474. 1 hit.
TIGRFAMsiTIGR03695. menH_SHCHC. 1 hit.

Sequencei

Sequence statusi: Complete.

B1X8X7-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MILHAQAKHG KPGLPWLVFL HGFSGDCHEW QEVGEAFADY SRLYVDLPGH
60 70 80 90 100
GGSAAISVDG FDDVTDLLRK TLVSYNILDF WLVGYSLGGR VAMMAACQGL
110 120 130 140 150
AGLCGVIVEG GHPGLQNAEQ RAERQRSDRQ WVQRFLTEPL TAVFADWYQQ
160 170 180 190 200
PVFASLNDDQ RRELVALRSN NNGATLAAML EATSLAVQPD LRANLSARTF
210 220 230 240 250
AFYYLCGERD SKFRALAAEL AADCHVIPRA GHNAHRENPA GVIASLAQIL

RF
Length:252
Mass (Da):27,682
Last modified:May 20, 2008 - v1
Checksum:iFE7D77861842B68C
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000948 Genomic DNA. Translation: ACB03424.1.
RefSeqiWP_000600499.1. NC_010473.1.

Genome annotation databases

EnsemblBacteriaiACB03424; ACB03424; ECDH10B_2424.
KEGGiecd:ECDH10B_2424.
PATRICi18464719. VBIEscCol59506_2446.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000948 Genomic DNA. Translation: ACB03424.1.
RefSeqiWP_000600499.1. NC_010473.1.

3D structure databases

ProteinModelPortaliB1X8X7.
SMRiB1X8X7. Positions 1-252.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi316385.ECDH10B_2424.

Protein family/group databases

ESTHERiecoli-YFBB. MenH_SHCHC.

Proteomic databases

PRIDEiB1X8X7.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiACB03424; ACB03424; ECDH10B_2424.
KEGGiecd:ECDH10B_2424.
PATRICi18464719. VBIEscCol59506_2446.

Phylogenomic databases

eggNOGiENOG4107J5P. Bacteria.
COG0596. LUCA.
HOGENOMiHOG000028072.
KOiK08680.
OMAiLNDWYQQ.
OrthoDBiEOG689HPM.

Enzyme and pathway databases

UniPathwayiUPA00079.
UPA01057; UER00900.
BioCyciECOL316385:GJ8B-2331-MONOMER.

Family and domain databases

Gene3Di3.40.50.1820. 1 hit.
HAMAPiMF_01660. MenH.
InterProiIPR029058. AB_hydrolase.
IPR000073. AB_hydrolase_1.
IPR022485. SHCHC_synthase_MenH.
[Graphical view]
PfamiPF12697. Abhydrolase_6. 1 hit.
[Graphical view]
SUPFAMiSSF53474. SSF53474. 1 hit.
TIGRFAMsiTIGR03695. menH_SHCHC. 1 hit.
ProtoNetiSearch...

Publicationsi

  1. "The complete genome sequence of Escherichia coli DH10B: insights into the biology of a laboratory workhorse."
    Durfee T., Nelson R., Baldwin S., Plunkett G. III, Burland V., Mau B., Petrosino J.F., Qin X., Muzny D.M., Ayele M., Gibbs R.A., Csorgo B., Posfai G., Weinstock G.M., Blattner F.R.
    J. Bacteriol. 190:2597-2606(2008) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: K12 / DH10B.

Entry informationi

Entry nameiMENH_ECODH
AccessioniPrimary (citable) accession number: B1X8X7
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 1, 2008
Last sequence update: May 20, 2008
Last modified: November 11, 2015
This is version 52 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.