2A2C Transferase date Jun 22, 2005
title X-Ray Structure Of Human N-Acetyl Galactosamine Kinase Complexed With Mg-Adp And N-Acetyl Galactosamine 1- Phosphate
authors J.B.Thoden, H.M.Holden
compound source
Molecule: N-Acetylgalactosamine Kinase
Chain: A
Synonym: Galnac Kinase, Galactokinase 2
Ec: 2.7.1.-
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_taxid: 9606
Gene: Galk2, Gk2
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Hms174(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet28
symmetry Space Group: P 65
R_factor 0.167 R_Free 0.201
length a length b length c angle alpha angle beta angle gamma
123.800 123.800 60.100 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.65 Å
ligand ADP, CL, MG, NA, NG1 enzyme Transferase E.C.2.7.1 BRENDA

Primary referenceThe molecular architecture of human N-acetyl galactosamine kinase., Thoden JB, Holden HM, J Biol Chem 2005 Jul 8;. PMID:16006554
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk]
  • Biological Unit Coordinates (2a2c.pdb1.gz) 81 Kb
  • LPC: Ligand-Protein Contacts for 2A2C
  • CSU: Contacts of Structural Units for 2A2C
  • Likely Quarternary Molecular Structure file(s) for 2A2C
  • Structure Factors (525 Kb)
  • Retrieve 2A2C in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2A2C from S2C, [Save to disk]
  • Re-refined 2a2c structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2A2C 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 2A2C
  • 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 2A2C, from MSDmotif at EBI
  • Fold representative 2a2c from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2a2c] [2a2c_A]
  • SWISS-PROT database: [Q01415]
  • Domain organization of [GALK2_HUMAN] by SWISSPFAM
  • Other resources with information on 2A2C
  • Community annotation for 2A2C at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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