1T3N Replication Dna date Apr 27, 2004
title Structure Of The Catalytic Core Of Dna Polymerase Iota In Co Dna And Dttp
authors D.T.Nair, R.E.Johnson, S.Prakash, L.Prakash, A.K.Aggarwal
compound source
Molecule: Template Dna Strand
Chain: T
Engineered: Yes
Synthetic: Yes

Molecule: Primer Dna Strand
Chain: P
Engineered: Yes

Synthetic: Yes

Molecule: Polymerase (Dna Directed) Iota
Chain: A, B
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Poli
Expression_system: Saccharomyces Cerevisiae
Expression_system_common: Baker'S Yeast
Expression_system_taxid: 4932
symmetry Space Group: P 65
R_factor 0.265 R_Free 0.286
length a length b length c angle alpha angle beta angle gamma
98.831 98.831 202.755 90.00 90.00 120.00
method X-Ray Diffraction, 2 Modelsresolution 2.30 Å
ligand DOC, MG, TTP enzyme
A, B

Primary referenceReplication by human DNA polymerase-iota occurs by Hoogsteen base-pairing., Nair DT, Johnson RE, Prakash S, Prakash L, Aggarwal AK, Nature. 2004 Jul 15;430(6997):377-80. PMID:15254543
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (278 Kb) [Save to disk]
  • Biological Unit Coordinates (1t3n.pdb1.gz) 137 Kb
  • LPC: Ligand-Protein Contacts for 1T3N
  • CSU: Contacts of Structural Units for 1T3N
  • Likely Quarternary Molecular Structure file(s) for 1T3N
  • Structure Factors (393 Kb)
  • Retrieve 1T3N in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1T3N from S2C, [Save to disk]
  • View 1T3N 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 1T3N
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1T3N, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1t3na2, region A:27-299 [Jmol] [rasmolscript] [script source]
        - Domain d1t3na1, region A:300-414 [Jmol] [rasmolscript] [script source]
        - Domain d1t3nb2, region B:447-719 [Jmol] [rasmolscript] [script source]
        - Domain d1t3nb1, region B:720-834 [Jmol] [rasmolscript] [script source]
  • Fold representative 1t3n from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1t3n_T] [1t3n_A] [1t3n_B] [1t3n_P] [1t3n]
  • SWISS-PROT database: [Q9UNA4]
  • Domain organization of [POLI_HUMAN] by SWISSPFAM
  • Other resources with information on 1T3N
  • Community annotation for 1T3N 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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