2B5G Transferase date Sep 28, 2005
title Wild Type Ssat- 1.7a Structure
authors M.C.Bewley, V.Graziano, J.S.Jiang, E.Matz, F.W.Studier, A.P.Pegg, C.S.Coleman, J.M.Flanagan, S.K.Burley, New York Sgx Research C Structural Genomics (Nysgxrc)
compound source
Molecule: Diamine Acetyltransferase 1
Chain: A
Synonym: Spermidinespermine N1, - Acetyltransferase 1, Ssa Putrescine Acetyltransferase, Polyamine N-Acetyltransferase
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Sat
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_vector: Pet13a

Molecule: Diamine Acetyltransferase 1
Chain: B
Engineered: Yes

symmetry Space Group: P 43
R_factor 0.211 R_Free 0.241
length a length b length c angle alpha angle beta angle gamma
74.212 74.212 63.077 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.70 Å
ligand ALY, MSE, SO4 enzyme Transferase E.C. BRENDA
note 2B5G is a representative structure
A, B

Primary referenceStructures of wild-type and mutant human spermidine/spermine N1-acetyltransferase, a potential therapeutic drug target., Bewley MC, Graziano V, Jiang J, Matz E, Studier FW, Pegg AE, Coleman CS, Flanagan JM, Proc Natl Acad Sci U S A. 2006 Feb 14;103(7):2063-8. Epub 2006 Feb 2. PMID:16455797
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (66 Kb) [Save to disk]
  • Biological Unit Coordinates (2b5g.pdb1.gz) 61 Kb
  • LPC: Ligand-Protein Contacts for 2B5G
  • CSU: Contacts of Structural Units for 2B5G
  • Likely Quarternary Molecular Structure file(s) for 2B5G
  • Structure Factors (291 Kb)
  • Retrieve 2B5G in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2B5G from S2C, [Save to disk]
  • Re-refined 2b5g structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2B5G 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 2B5G
  • 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 2B5G, from MSDmotif at EBI
  • Fold representative 2b5g from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2b5g_A] [2b5g] [2b5g_B]
  • SWISS-PROT database: [P21673]
  • Domain organization of [SAT1_HUMAN] by SWISSPFAM
  • Other resources with information on 2B5G
  • Community annotation for 2B5G 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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