4CCZ	Transferase	date	Oct 29, 2013
title	Crystal Structure Of Human 5-Methyltetrahydrofolate- Homocysteine Methyltransferase, The Homocysteine And Folate Binding Domains
authors	M.Vollmar, W.Kiyani, T.Krojer, S.Goubin, N.Burgess-Brown, F.Von D U.Oppermann, A.Edwards, C.Arrowsmith, C.Bountra, W.W.Yue
compound		source
Molecule: Methionine Synthase Chain: A Fragment: Homocysteine And Folate Binding Domains Synonym: 5-Methyltetrahydrofolate--Homocysteine Methyltrans Vitamin-B12 Dependent Methionine Synthase, Ms; Ec: 2.1.1.13 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_variant: R3-Prare2 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pnic28-Bsa4
symmetry	Space Group: I 2 3	R_factor 0.21705 R_Free 0.27408
crystal cell	length a length b length c angle alpha angle beta angle gamma 166.803 166.803 166.803 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	THG	enzyme	Transferase E.C.2.1.1.13 BRENDA
Gene Ontology	Chain Function Process Component A

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (188 Kb) [Save to disk] Biological Unit Coordinates (4ccz.pdb1.gz) 180 Kb LPC: Ligand-Protein Contacts for 4CCZ CSU: Contacts of Structural Units for 4CCZ Structure Factors (1173 Kb) Retrieve 4CCZ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4CCZ from S2C, [Save to disk] Re-refined 4ccz structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4CCZ 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 4CCZ

Cartoon representation from PDB Cartoon 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 Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 4CCZ, from MSDmotif at EBI Fold representative 4ccz from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4ccz_A] [4ccz] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 4CCZ

Community annotation for 4CCZ at PDBWiki (http://pdbwiki.org)

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