1KBU	Hydrolase, Ligase Dna	date	Nov 06, 2001
title	Cre Recombinase Bound To A Loxp Holliday Junction
authors	S.S.Martin, E.Pulido, V.C.Chu, T.Lechner, E.P.Baldwin
compound		source
Molecule: Loxp Chain: C Engineered: Yes Other_details: Part Of Holliday Junction		Synthetic: Yes
Molecule: Loxp Chain: D Engineered: Yes Other_details: Part Of Holliday Junction		Synthetic: Yes
Molecule: Cre Recombinase Chain: A, B Synonym: Cre Site-Specific Recombinase Engineered: Yes Other_details: Lys86 And Lys201 Interactions With The Sciss Suggest How Strand Exchange Order Is Determined		Organism_scientific: Enterobacteria Phage P1 Organism_taxid: 10678 Gene: Cre 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 0.231 R_Free 0.279
crystal cell	length a length b length c angle alpha angle beta angle gamma 107.170 121.600 179.310 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
related structures	by homologous chain: 1MA7, 4CRX
Gene Ontology	Chain Function Process Component A, B
Primary reference	The order of strand exchanges in Cre-LoxP recombination and its basis suggested by the crystal structure of a Cre-LoxP Holliday junction complex., Martin SS, Pulido E, Chu VC, Lechner TS, Baldwin EP, J Mol Biol 2002 May 24;319(1):107-27. PMID:12051940

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (143 Kb) [Save to disk] Biological Unit Coordinates (1kbu.pdb1.gz) 270 Kb CSU: Contacts of Structural Units for 1KBU Likely Quarternary Molecular Structure file(s) for 1KBU Structure Factors (404 Kb) Retrieve 1KBU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KBU from S2C, [Save to disk] Re-refined 1kbu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KBU 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 1KBU

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 3D motif for 1KBU, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kbua2, region A:130-341 [Jmol] [rasmolscript] [script source]     - Domain d1kbua1, region A:18-129 [Jmol] [rasmolscript] [script source]     - Domain d1kbub2, region B:130-341 [Jmol] [rasmolscript] [script source]     - Domain d1kbub1, region B:19-129 [Jmol] [rasmolscript] [script source] 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: [1kbu_C] [1kbu_A] [1kbu_B] [1kbu_D] [1kbu] SWISS-PROT database: [P06956] Domain organization of [RECR_BPP1] by SWISSPFAM

Other resources with information on 1KBU

Community annotation for 1KBU at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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