2G3T Transferase date Feb 21, 2006
title Crsytal Structure Of Human Spermidinespermine N1- Acetyltransferase (Hssat)
authors Y.Q.Zhu, N.Yang, D.C.Wang
compound source
Molecule: Diamine Acetyltransferase 1
Chain: A, B
Synonym: Spermidinespermine N1-Acetyltransferase 1, Ssat, Ssat-1, Putrescine Acetyltransferase, Polyamine N- Acetyltransferase 1, Hssat;
Ec: 2.3.1.57
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 With T7 Promoter
Expression_system_plasmid: Pet22b(+)
symmetry Space Group: C 2 2 21
R_factor 0.227 R_Free 0.260
crystal
cell
length a length b length c angle alpha angle beta angle gamma
65.430 65.666 181.065 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand
enzyme Transferase E.C.2.3.1.57 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystal structure of human spermidine/spermine N1-acetyltransferase (hSSAT): the first structure of a new sequence family of transferase homologous superfamily., Zhu YQ, Zhu DY, Yin L, Zhang Y, Vonrhein C, Wang DC, Proteins. 2006 Jun 1;63(4):1127-31. PMID:16544326
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (67 Kb) [Save to disk]
  • Biological Unit Coordinates (2g3t.pdb1.gz) 64 Kb
  • Biological Unit Coordinates (2g3t.pdb2.gz) 63 Kb
  • CSU: Contacts of Structural Units for 2G3T
  • Likely Quarternary Molecular Structure file(s) for 2G3T
  • Structure Factors (271 Kb)
  • Retrieve 2G3T in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2G3T from S2C, [Save to disk]
  • Re-refined 2g3t structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2G3T 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 2G3T
  • 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 2G3T, from MSDmotif at EBI
  • Fold representative 2g3t from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2g3t] [2g3t_A] [2g3t_B]
  • SWISS-PROT database: [P21673]
  • Domain organization of [SAT1_HUMAN] by SWISSPFAM
  • Alignments of the sequence of 2G3T with the sequences similar proteins can be viewed for 2G3T's classification [SAT1_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
  • A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [SAT1_HUMAN] at ProtoMap. Click on the Cluster number.
  • Other resources with information on 2G3T
  • Community annotation for 2G3T 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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