3GJN	Hydrolase	date	Mar 09, 2009
title	Following Evolutionary Paths To High Affinity And Selectivit Protein Interactions Using Colicin7 And Immunity Proteins
authors	O.Dym, D.S.Tawfik
compound		source
Molecule: Colicin-E9 Immunity Protein Chain: A, D Synonym: Imme9, Microcin-E9 Immunity Protein Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Imm, Ceie9 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 De3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet20
Molecule: Colicin-E7 Chain: B, C Fragment: Unp Residues 446-576 Ec: 3.1.-.- Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Cole7, Cea Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 De3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet20
symmetry	Space Group: P 1 21 1	R_factor 0.242 R_Free 0.276
crystal cell	length a length b length c angle alpha angle beta angle gamma 59.650 53.713 79.334 90.00 105.59 90.00
method	X-Ray Diffraction	resolution	2.48 Å
ligand	ZN	enzyme	Hydrolase E.C.3.1 BRENDA
Gene Ontology	Chain Function Process Component A, D C, B
Primary reference	Following evolutionary paths to protein-protein interactions with high affinity and selectivity., Levin KB, Dym O, Albeck S, Magdassi S, Keeble AH, Kleanthous C, Tawfik DS, Nat Struct Mol Biol. 2009 Oct;16(10):1049-55. Epub 2009 Sep 13. PMID:19749752

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (71 Kb) [Save to disk] Biological Unit Coordinates (3gjn.pdb1.gz) 14 Kb Biological Unit Coordinates (3gjn.pdb2.gz) 33 Kb Biological Unit Coordinates (3gjn.pdb3.gz) 20 Kb Biological Unit Coordinates (3gjn.pdb4.gz) 14 Kb LPC: Ligand-Protein Contacts for 3GJN CSU: Contacts of Structural Units for 3GJN Structure Factors (253 Kb) Retrieve 3GJN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3GJN from S2C, [Save to disk] Re-refined 3gjn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3GJN in 3D

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Visual 3D analysis of 3GJN

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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 3GJN, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3gjn_D] [3gjn_A] [3gjn_C] [3gjn] [3gjn_B] SWISS-PROT database: [Q47112] [P13479] Domain organization of [CEA7_ECOLX] [IMM9_ECOLX] by SWISSPFAM Domain found in 3GJN: [HNHc ] by SMART

Other resources with information on 3GJN

Community annotation for 3GJN at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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