1T43	Transferase	date	Apr 28, 2004
title	Crystal Structure Analysis Of E.Coli Protein (N5)-Glutamine Methyltransferase (Hemk)
authors	Z.Yang, L.Shipman, M.Zhang, B.P.Anton, R.J.Roberts, X.Cheng
compound		source
Molecule: Protein Methyltransferase Hemk Chain: A Synonym: Protein-Glutamine N-Methyltransferase Hemk, Protei Glutamine-N5, Mtase Hemk, M.Ecokhemkp; Ec: 2.1.1.- Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Hemk, B1212, Sf1215, S1299 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Er2566 Expression_system_vector_type: Plasmid Expression_system_plasmid: Paii17
symmetry	Space Group: P 63	R_factor 0.289 R_Free 0.315
crystal cell	length a length b length c angle alpha angle beta angle gamma 138.933 138.933 40.583 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.20 Å
ligand	SAH	enzyme	Transferase E.C.2.1.1 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Structural characterization and comparative phylogenetic analysis of Escherichia coli HemK, a protein (N5)-glutamine methyltransferase., Yang Z, Shipman L, Zhang M, Anton BP, Roberts RJ, Cheng X, J Mol Biol 2004 Jul 16;340(4):695-706. PMID:15223314

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk] Biological Unit Coordinates (1t43.pdb1.gz) 45 Kb LPC: Ligand-Protein Contacts for 1T43 CSU: Contacts of Structural Units for 1T43 Likely Quarternary Molecular Structure file(s) for 1T43 Retrieve 1T43 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1T43 from S2C, [Save to disk]

View 1T43 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 1T43

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1T43, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1t43a_, region A [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1t43] [1t43_A] SWISS-PROT database: [P0ACC1] Domain organization of [HEMK_ECOLI] by SWISSPFAM

Other resources with information on 1T43

Community annotation for 1T43 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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