1QPS Hydrolase Dna date May 28, 1999
title The Crystal Structure Of A Post-Reactive Cognate Dna-Eco Ri 2.50 A In The Presence Of Mn2+ Ion
authors M.Horvath, J.Choi, Y.Kim, P.Wilkosz, J.M.Rosenberg
compound source
Molecule: 5'-D(Tpcpgpcpgp)-3'
Chain: M
Engineered: Yes
Synthetic: Yes
Other_details: Recognition Sequence

Molecule: 5'-D(Apaptptpcpgpcpgp)-3'
Chain: N
Engineered: Yes

Synthetic: Yes
Other_details: Recognition Sequence

Molecule: Endonuclease Ecori
Chain: A
Fragment: Residues 17-277
Synonym: Type II Restriction Enzyme Ecori, R.Ecori

Organism_scientific: Escherichia Coli
Organism_taxid: 562
symmetry Space Group: P 3 2 1
length a length b length c angle alpha angle beta angle gamma
118.400 118.400 49.700 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.50 Å
ligand MN enzyme
related structures by homologous chain: 1CKQ, 1QRH
  • nuclease activity
  • endonuclease activity

  • Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (53 Kb) [Save to disk]
  • Biological Unit Coordinates (1qps.pdb1.gz) 96 Kb
  • LPC: Ligand-Protein Contacts for 1QPS
  • CSU: Contacts of Structural Units for 1QPS
  • Likely Quarternary Molecular Structure file(s) for 1QPS
  • Retrieve 1QPS in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QPS from S2C, [Save to disk]
  • View 1QPS 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 1QPS
  • 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 1QPS, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qpsa_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1qps 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: [1qps] [1qps_M] [1qps_A] [1qps_N]
  • SWISS-PROT database: [P00642]
  • Domain organization of [T2E1_ECOLX] by SWISSPFAM
  • Other resources with information on 1QPS
  • Community annotation for 1QPS 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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