1P43	Lyase	date	Apr 21, 2003
title	Reverse Protonation Is The Key To General Acid-Base Catalysi Enolase
authors	P.A.Sims, T.M.Larsen, R.R.Poyner, W.W.Cleland, G.H.Reed
compound		source
Molecule: Enolase 1 Chain: A, B Synonym: 2-Phosphoglycerate Dehydratase, 2-Phospho-D- Glyce Hydro-Lyase; Ec: 4.2.1.11 Engineered: Yes Mutation: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Eno1 Or Enoa Or Hsp48 Or Ygr254w Or G9160 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 2	R_factor 0.185 R_Free 0.213
crystal cell	length a length b length c angle alpha angle beta angle gamma 107.300 115.100 72.400 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	2PG, MG	enzyme	Lyase E.C.4.2.1.11 BRENDA
related structures	by homologous chain: 1TE6
Gene Ontology	Chain Function Process Component A, B
Primary reference	Reverse protonation is the key to general acid-base catalysis in enolase., Sims PA, Larsen TM, Poyner RR, Cleland WW, Reed GH, Biochemistry 2003 Jul 15;42(27):8298-306. PMID:12846578

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (151 Kb) [Save to disk] Biological Unit Coordinates (1p43.pdb1.gz) 146 Kb LPC: Ligand-Protein Contacts for 1P43 CSU: Contacts of Structural Units for 1P43 Likely Quarternary Molecular Structure file(s) for 1P43 Retrieve 1P43 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1P43 from S2C, [Save to disk]

View 1P43 in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1P43

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1P43, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1p43a2, region A:1-141 [Jmol] [rasmolscript] [script source]     - Domain d1p43a1, region A:142-436 [Jmol] [rasmolscript] [script source]     - Domain d1p43b2, region B:501-641 [Jmol] [rasmolscript] [script source]     - Domain d1p43b1, region B:642-936 [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1p43_A] [1p43_B] [1p43] SWISS-PROT database: [P00924] Domain organization of [ENO1_YEAST] by SWISSPFAM Domains found in 1P43: [Enolase_C] [Enolase_N ] by SMART

Other resources with information on 1P43

Community annotation for 1P43 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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