1ZP4	Oxidoreductase	date	May 16, 2005
title	Glu28gln Mutant Of E. Coli Methylenetetrahydrofolate Reducta (Oxidized) Complex With Methyltetrahydrofolate
authors	R.Pejchal, R.Sargeant, M.L.Ludwig
compound		source
Molecule: 5,10-Methylenetetrahydrofolate Reductase Chain: A, B, C Ec: 1.7.99.5 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Metf Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet23b
symmetry	Space Group: C 1 2 1	R_factor 0.213 R_Free 0.231
crystal cell	length a length b length c angle alpha angle beta angle gamma 103.590 127.810 97.950 90.00 121.88 90.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand	C2F, FAD, SO4	enzyme	Oxidoreductase E.C.1.7.99.5 BRENDA
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Structures of NADH and CH(3)-H(4)Folate Complexes of Escherichia coli Methylenetetrahydrofolate Reductase Reveal a Spartan Strategy for a Ping-Pong Reaction(,)., Pejchal R, Sargeant R, Ludwig ML, Biochemistry 2005 Aug 30;44(34):11447-57. PMID:16114881

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (150 Kb) [Save to disk] Biological Unit Coordinates (1zp4.pdb1.gz) 192 Kb LPC: Ligand-Protein Contacts for 1ZP4 CSU: Contacts of Structural Units for 1ZP4 Likely Quarternary Molecular Structure file(s) for 1ZP4 Structure Factors (1047 Kb) Retrieve 1ZP4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ZP4 from S2C, [Save to disk] Re-refined 1zp4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ZP4 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 1ZP4

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 1ZP4, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1zp4] [1zp4_A] [1zp4_C] [1zp4_B] SWISS-PROT database: [P0AEZ1] Domain organization of [METF_ECOLI] by SWISSPFAM

Other resources with information on 1ZP4

Community annotation for 1ZP4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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