1QWD	Lipid Binding Protein	date	Sep 02, 2003
title	Crystal Structure Of A Bacterial Lipocalin, The Blc Gene Pro E. Coli
authors	V.Campanacci, D.Nurizzo, S.Spinelli, C.Valencia, C.Cambillau
compound		source
Molecule: Outer Membrane Lipoprotein Blc Chain: A, B Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Blc Or B4149 Or Z5756 Or Ecs5130 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Tuner(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pdest17
symmetry	Space Group: P 21 21 21	R_factor 0.169 R_Free 0.204
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.999 80.779 88.953 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.75 Å
Gene Ontology	Chain Function Process Component A, B
Primary reference	The crystal structure of the Escherichia coli lipocalin Blc suggests a possible role in phospholipid binding., Campanacci V, Nurizzo D, Spinelli S, Valencia C, Tegoni M, Cambillau C, FEBS Lett 2004 Mar 26;562(1-3):183-8. PMID:15044022

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (63 Kb) [Save to disk] Biological Unit Coordinates (1qwd.pdb1.gz) 59 Kb CSU: Contacts of Structural Units for 1QWD Likely Quarternary Molecular Structure file(s) for 1QWD Structure Factors (351 Kb) Retrieve 1QWD in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QWD from S2C, [Save to disk] Re-refined 1qwd structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QWD 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 1QWD

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 1QWD, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qwda_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qwdb_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1qwd_B] [1qwd_A] [1qwd] SWISS-PROT database: [P0A901] Domain organization of [BLC_ECOLI] by SWISSPFAM

Other resources with information on 1QWD

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

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