4AAG	Hydrolase Dna	date	Dec 01, 2011
title	Crystal Structure Of The Mutant D75n I-Crei In Complex With Type Target In Presence Of Ca At The Active Site (The Four Bases, 2nn Region, Are Composed By Gtac From 5' To 3')
authors	R.Molina, P.Redondo, S.Stella, M.Marenchino, M.D'Abramo, F.Gervas J.C.Epinat, J.Valton, S.Grizot, P.Duchateau, J.Prieto, G.Montoya
compound		source
Molecule: Dna Endonuclease I-Crei Chain: A, B Synonym: 23s Rrna Intron Protein, I-Crei Ec: 3.1.-.- Engineered: Yes Mutation: Yes		Organism_scientific: Chlamydomonas Reinhardtii Organism_taxid: 3055 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_vector: Cdfduet1, Pet24d
Molecule: 5'-D(Tpcpapapapapcpgptpcpgptpapcp Gpapcpgptptptptpgpa)-3'; Chain: E, G Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
symmetry	Space Group: P 2 21 21	R_factor 0.174 R_Free 0.250
crystal cell	length a length b length c angle alpha angle beta angle gamma 47.469 71.413 171.214 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	CA	enzyme	Hydrolase E.C.3.1 BRENDA
Gene Ontology	Chain Function Process Component A, B nuclease activity endonuclease activity
Primary reference	Non-specific protein-DNA interactions control I-CreI target binding and cleavage., Molina R, Redondo P, Stella S, Marenchino M, D'Abramo M, Gervasio FL, Charles Epinat J, Valton J, Grizot S, Duchateau P, Prieto J, Montoya G, Nucleic Acids Res. 2012 Apr 11. PMID:22495931

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (149 Kb) [Save to disk] Biological Unit Coordinates (4aag.pdb1.gz) 143 Kb LPC: Ligand-Protein Contacts for 4AAG CSU: Contacts of Structural Units for 4AAG Structure Factors (185 Kb) Retrieve 4AAG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4AAG from S2C, [Save to disk] Re-refined 4aag structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 4AAG

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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 4AAG, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4aag_E] [4aag_G] [4aag_B] [4aag] [4aag_A] SWISS-PROT database: Domain organization of by SWISSPFAM

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