1Q7Q	Transferase	date	Aug 19, 2003
title	Cobalamin-Dependent Methionine Synthase (1-566) From T. Mari (Oxidized, Orthorhombic)
authors	J.C.Evans, D.P.Huddler, M.T.Hilgers, G.Romanchuk, R.G.Matthews, M
compound		source
Molecule: 5-Methyltetrahydrofolate S-Homocysteine Methyltra Chain: A, B Fragment: Meth_tm (Residues 1-566) Ec: 2.1.1.13 Engineered: Yes		Organism_scientific: Thermotoga Maritima Organism_taxid: 2336 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21-De3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet29a
symmetry	Space Group: P 21 21 21	R_factor 0.221 R_Free 0.265
crystal cell	length a length b length c angle alpha angle beta angle gamma 92.583 169.022 174.276 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.10 Å
ligand		enzyme	Transferase E.C.2.1.1.13 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structures of the N-terminal modules imply large domain motions during catalysis by methionine synthase., Evans JC, Huddler DP, Hilgers MT, Romanchuk G, Matthews RG, Ludwig ML, Proc Natl Acad Sci U S A 2004 Mar 16;101(11):3729-36. Epub 2004 Jan 29. PMID:14752199

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (186 Kb) [Save to disk] Biological Unit Coordinates (1q7q.pdb1.gz) 94 Kb Biological Unit Coordinates (1q7q.pdb2.gz) 92 Kb CSU: Contacts of Structural Units for 1Q7Q Likely Quarternary Molecular Structure file(s) for 1Q7Q Structure Factors (403 Kb) Retrieve 1Q7Q in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q7Q from S2C, [Save to disk] Re-refined 1q7q structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Q7Q 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 1Q7Q

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 1Q7Q, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1q7qa2, region A:1-300 [Jmol] [rasmolscript] [script source]     - Domain d1q7qa1, region A:301-565 [Jmol] [rasmolscript] [script source]     - Domain d1q7qb2, region B:1-300 [Jmol] [rasmolscript] [script source]     - Domain d1q7qb1, region B:301-558 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1q7q] [1q7q_B] [1q7q_A] SWISS-PROT database: [Q9WYA5] Domain organization of [Q9WYA5_THEMA] by SWISSPFAM

Other resources with information on 1Q7Q

Community annotation for 1Q7Q at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---