1MA7 Hydrolase, Ligase Dna date Aug 01, 2002
title Crystal Structure Of Cre Site-Specific Recombinase Complexed With A Mutant Dna Substrate, Loxp-A8t27
authors S.S.Martin, V.C.Chu, E.P.Baldwin
compound source
Molecule: Loxp
Chain: C
Fragment: Upper Strand
Engineered: Yes
Mutation: Yes
Synthetic: Yes

Molecule: Loxp
Chain: D
Fragment: Lower Strand
Engineered: Yes
Mutation: Yes

Synthetic: Yes

Molecule: Cre Recombinase
Chain: A, B
Synonym: Cre Site-Specific Recombinase
Engineered: Yes

Organism_scientific: Enterobacteria Phage P1
Organism_taxid: 10678
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet28b(+)
symmetry Space Group: C 2 2 21
R_factor 0.239 R_Free 0.290
crystal
cell
length a length b length c angle alpha angle beta angle gamma
107.540 122.240 180.030 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.30 Å
related structures by homologous chain: 1KBU, 1PVP
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceModulation of the active complex assembly and turnover rate by protein-DNA interactions in Cre-LoxP recombination., Martin SS, Chu VC, Baldwin E, Biochemistry 2003 Jun 10;42(22):6814-26. PMID:12779336
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (141 Kb) [Save to disk]
  • Biological Unit Coordinates (1ma7.pdb1.gz) 269 Kb
  • CSU: Contacts of Structural Units for 1MA7
  • Likely Quarternary Molecular Structure file(s) for 1MA7
  • Structure Factors (420 Kb)
  • Retrieve 1MA7 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1MA7 from S2C, [Save to disk]
  • Re-refined 1ma7 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1MA7 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 1MA7
  • 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 1MA7, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ma7a2, region A:130-341 [Jmol] [rasmolscript] [script source]
        - Domain d1ma7a1, region A:19-129 [Jmol] [rasmolscript] [script source]
        - Domain d1ma7b2, region B:130-341 [Jmol] [rasmolscript] [script source]
        - Domain d1ma7b1, region B:20-129 [Jmol] [rasmolscript] [script source]
  • Fold representative 1ma7 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: [1ma7_B] [1ma7_D] [1ma7] [1ma7_A] [1ma7_C]
  • SWISS-PROT database: [P06956]
  • Domain organization of [RECR_BPP1] by SWISSPFAM
  • Other resources with information on 1MA7
  • Community annotation for 1MA7 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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