1EQB	Transferase	date	Apr 03, 2000
title	X-Ray Crystal Structure At 2.7 Angstroms Resolution Of Terna Between The Y65f Mutant Of E-Coli Serine Hydroxymethyltrans Glycine And 5-Formyl Tetrahydrofolate
authors	R.Contestabile, S.Angelaccio, F.Bossa, H.T.Wright, N.Scarsdale, G.Kazanina, V.Schirch
compound		source
Molecule: Serine Hydroxymethyltransferase Chain: A, B, C, D Ec: 2.1.2.1 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Gs245 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbr322
symmetry	Space Group: P 1 21 1	R_factor 0.205 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 77.740 172.480 95.410 90.00 104.28 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	FFO, GLY, PLP	enzyme	Transferase E.C.2.1.2.1 BRENDA
related structures	by homologous chain: 1DFO, 1KL2
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Role of tyrosine 65 in the mechanism of serine hydroxymethyltransferase., Contestabile R, Angelaccio S, Bossa F, Wright HT, Scarsdale N, Kazanina G, Schirch V, Biochemistry. 2000 Jun 27;39(25):7492-500. PMID:10858298

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (248 Kb) [Save to disk] Biological Unit Coordinates (1eqb.pdb1.gz) 124 Kb Biological Unit Coordinates (1eqb.pdb2.gz) 123 Kb LPC: Ligand-Protein Contacts for 1EQB CSU: Contacts of Structural Units for 1EQB Likely Quarternary Molecular Structure file(s) for 1EQB Structure Factors (506 Kb) Retrieve 1EQB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EQB from S2C, [Save to disk] Re-refined 1eqb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1EQB 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 1EQB

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 1EQB, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1eqba_, region A [Jmol] [rasmolscript] [script source]     - Domain d1eqbb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1eqbc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1eqbd_, region D [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: [1eqb] [1eqb_C] [1eqb_A] [1eqb_D] [1eqb_B] SWISS-PROT database: [P0A825] Domain organization of [GLYA_ECOLI] by SWISSPFAM

Other resources with information on 1EQB

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

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