3K1D	Transferase	date	Sep 27, 2009
title	Crystal Structure Of Glycogen Branching Enzyme Synonym: 1,4- Glucan:1,4-Alpha-D-Glucan 6-Glucosyl-Transferase From Mycob Tuberculosis H37rv
authors	K.Pal, S.Kumar, K.Swaminathan
compound		source
Molecule: 1,4-Alpha-Glucan-Branching Enzyme Chain: A Fragment: Residues 10-731 Synonym: Glycogen-Branching Enzyme, Be, 1,4-Alpha-D-Glucan: D-Glucan 6-Glucosyl-Transferase; Ec: 2.4.1.18 Engineered: Yes		Organism_scientific: Mycobacterium Tuberculosis Organism_taxid: 83332 Strain: H37rv Gene: Glgb, Rv1326c 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 2	R_factor 0.193 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 109.373 156.861 48.021 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.33 Å
ligand		enzyme	Transferase E.C.2.4.1.18 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of full-length Mycobacterium tuberculosis H37Rv glycogen branching enzyme: insights of N-terminal beta-sandwich in substrate specificity and enzymatic activity., Pal K, Kumar S, Sharma S, Garg SK, Alam MS, Xu HE, Agrawal P, Swaminathan K, J Biol Chem. 2010 Jul 2;285(27):20897-903. doi: 10.1074/jbc.M110.121707. Epub, 2010 May 5. PMID:20444687

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (124 Kb) [Save to disk] Biological Unit Coordinates (3k1d.pdb1.gz) 119 Kb CSU: Contacts of Structural Units for 3K1D Structure Factors (305 Kb) Retrieve 3K1D in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3K1D from S2C, [Save to disk] Re-refined 3k1d structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3K1D 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 3K1D

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 3K1D, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3k1d_A] [3k1d] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3K1D: [Aamy ] by SMART

Other resources with information on 3K1D

Community annotation for 3K1D at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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