1S2U	Isomerase	date	Jan 11, 2004
title	Crystal Structure Of The D58a Phosphoenolpyruvate Mutase Mut Protein
authors	S.Liu, Z.Lu, Y.Han, Y.Jia, A.Howard, D.Dunaway-Mariano, O.Herzberg
compound		source
Molecule: Phosphoenolpyruvate Phosphomutase Chain: A, B Synonym: Phosphoenolpyruvate Mutase, Pep Mutase, Pep Phosph Ec: 5.4.2.9 Engineered: Yes Mutation: Yes		Organism_scientific: Mytilus Edulis Organism_taxid: 6550 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet3c
symmetry	Space Group: C 2 2 21	R_factor 0.165 R_Free 0.219
crystal cell	length a length b length c angle alpha angle beta angle gamma 108.537 119.746 88.380 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	PEG	enzyme	Isomerase E.C.5.4.2.9 BRENDA
related structures	by homologous chain: 1PYM, 1S2T
Gene Ontology	Chain Function Process Component A, B
Primary reference	Conformational flexibility of PEP mutase., Liu S, Lu Z, Han Y, Jia Y, Howard A, Dunaway-Mariano D, Herzberg O, Biochemistry 2004 Apr 20;43(15):4447-53. PMID:15078090

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (105 Kb) [Save to disk] Biological Unit Coordinates (1s2u.pdb1.gz) 199 Kb LPC: Ligand-Protein Contacts for 1S2U CSU: Contacts of Structural Units for 1S2U Likely Quarternary Molecular Structure file(s) for 1S2U Structure Factors (533 Kb) Retrieve 1S2U in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1S2U from S2C, [Save to disk] Re-refined 1s2u structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1S2U 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 1S2U

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1S2U, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1s2ua_, region A [Jmol] [rasmolscript] [script source]     - Domain d1s2ub_, region B [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: [1s2u_A] [1s2u_B] [1s2u] SWISS-PROT database: [P56839] Domain organization of [PEPM_MYTED] by SWISSPFAM

Other resources with information on 1S2U

Community annotation for 1S2U at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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