1K27 Transferase date Sep 26, 2001
title Crystal Structure Of 5'-Deoxy-5'-Methylthioadenosine Phospho Complex With A Transition State Analogue
authors W.Shi, V.Singh, P.C.Tyler, R.H.Furneaux, S.C.Almo, V.L.Schramm
compound source
Molecule: 5'-Deoxy-5'-Methylthioadenosine Phosphorylase
Chain: A
Synonym: 5'-Methylthioadenosine Phosphorylase, Mtap
Ec: 2.4.2.28
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-28a
symmetry Space Group: P 3 2 1
R_factor 0.180 R_Free 0.207
crystal
cell
length a length b length c angle alpha angle beta angle gamma
122.231 122.231 44.743 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.95 Å
ligand MTM, PO4 enzyme Transferase E.C.2.4.2.28 BRENDA
related structures by homologous chain: 1CG6, 1SD1
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referencePicomolar transition state analogue inhibitors of human 5'-methylthioadenosine phosphorylase and X-ray structure with MT-immucillin-A., Singh V, Shi W, Evans GB, Tyler PC, Furneaux RH, Almo SC, Schramm VL, Biochemistry 2004 Jan 13;43(1):9-18. PMID:14705926
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk]
  • Biological Unit Coordinates (1k27.pdb1.gz) 132 Kb
  • LPC: Ligand-Protein Contacts for 1K27
  • CSU: Contacts of Structural Units for 1K27
  • Likely Quarternary Molecular Structure file(s) for 1K27
  • Retrieve 1K27 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1K27 from S2C, [Save to disk]
  • View 1K27 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 1K27
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1K27, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1k27a_, region A [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1k27] [1k27_A]
  • SWISS-PROT database: [Q13126]
  • Domain organization of [MTAP_HUMAN] by SWISSPFAM
  • Other resources with information on 1K27
  • Community annotation for 1K27 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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