3CTP	Transcription Regulator	date	Apr 14, 2008
title	Crystal Structure Of Periplasmic Binding Proteinlaci Transc Regulator From Alkaliphilus Metalliredigens Qymf Complexed Xylulofuranose
authors	V.N.Malashkevich, R.Toro, S.R.Wasserman, A.Meyer, J.M.Sauder, S.K S.C.Almo, New York Sgx Research Center For Structural Genomi (Nysgxrc)
compound		source
Molecule: Periplasmic Binding Proteinlaci Transcriptional Chain: A, B Engineered: Yes		Organism_scientific: Alkaliphilus Metalliredigens Organism_taxid: 293826 Strain: Qymf Gene: Amet_0586 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Codon+Ril Expression_system_vector_type: Plasmid Expression_system_plasmid: Bc-Psgx3(Bc)
symmetry	Space Group: P 1 21 1	R_factor 0.182 R_Free 0.207
crystal cell	length a length b length c angle alpha angle beta angle gamma 64.172 61.903 74.362 90.00 104.81 90.00
method	X-Ray Diffraction	resolution	1.41 Å
ligand	NA, XLF	enzyme
note	3CTP is a representative structure
Gene	AMET
Gene Ontology	Chain Function Process Component A, B

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (102 Kb) [Save to disk] Biological Unit Coordinates (3ctp.pdb1.gz) 95 Kb LPC: Ligand-Protein Contacts for 3CTP CSU: Contacts of Structural Units for 3CTP Likely Quarternary Molecular Structure file(s) for 3CTP Structure Factors (2828 Kb) Retrieve 3CTP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CTP from S2C, [Save to disk] Re-refined 3ctp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CTP 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 3CTP

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 3CTP, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ctp_A] [3ctp] [3ctp_B] SWISS-PROT database: [A6TKU5] Domain organization of [A6TKU5_ALKMQ] by SWISSPFAM Domain found in 3CTP: [HTH_LACI ] by SMART

Other resources with information on 3CTP

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

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