1KRP Transferase Dna date Aug 19, 1997
title Dna Polymerase I Klenow Fragment (E.C. Mutantdna Co
authors C.A.Brautigam, T.A.Steitz
compound source
Molecule: Dna (5'-D(Ptptppst)-3')
Chain: B
Engineered: Yes
Synthetic: Yes

Molecule: Protein (Dna Polymerase I Klenow Fragment (E.C.2.
Chain: A
Synonym: Large Fragment
Engineered: Yes
Mutation: Yes

Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Cj 376
Expression_system_plasmid: Pcj155
symmetry Space Group: P 43
R_factor 0.190 R_Free 0.255
length a length b length c angle alpha angle beta angle gamma
101.600 101.600 85.200 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand PST, ZN enzyme Transferase E.C.2 BRENDA
related structures by homologous chain: 1D9D, 1QSL

Primary referenceStructural principles for the inhibition of the 3'-5' exonuclease activity of Escherichia coli DNA polymerase I by phosphorothioates., Brautigam CA, Steitz TA, J Mol Biol 1998 Mar 27;277(2):363-77. PMID:9514742
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (109 Kb) [Save to disk]
  • Biological Unit Coordinates (1krp.pdb1.gz) 102 Kb
  • LPC: Ligand-Protein Contacts for 1KRP
  • CSU: Contacts of Structural Units for 1KRP
  • Likely Quarternary Molecular Structure file(s) for 1KRP
  • Structure Factors (347 Kb)
  • Retrieve 1KRP in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KRP from S2C, [Save to disk]
  • Re-refined 1krp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1KRP 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 1KRP
  • 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 1KRP, from MSDmotif at EBI
  • Genome occurence of 1KRP's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1krpa1, region A:324-518 [Jmol] [rasmolscript] [script source]
        - Domain d1krpa2, region A:519-928 [Jmol] [rasmolscript] [script source]
  • Fold representative 1krp from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1krp] [1krp_B] [1krp_A]
  • SWISS-PROT database: [P00582]
  • Domain organization of [DPO1_ECOLI] by SWISSPFAM
  • Domains found in 1KRP: [35EXOc] [POLAc ] by SMART
  • Other resources with information on 1KRP
  • Community annotation for 1KRP 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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