3CSL	Membrane Protein Heme Binding Protein	date	Apr 10, 2008
title	Structure Of The Serratia Marcescens Hemophore Receptor Hasr Complex With Its Hemophore Hasa And Heme
authors	S.Krieg, K.Diederichs
compound		source
Molecule: Hasr Protein Chain: A, B Engineered: Yes		Organism_scientific: Serratia Marcescens Organism_taxid: 615 Gene: Hasr Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Mc4100 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbad
Molecule: Hemophore Hasa Chain: C, D Synonym: Heme Acquisition System Protein A Engineered: Yes		Organism_scientific: Serratia Marcescens Organism_taxid: 615 Gene: Hasa Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqe
symmetry	Space Group: F 2 2 2	R_factor 0.239 R_Free 0.274
crystal cell	length a length b length c angle alpha angle beta angle gamma 157.020 163.400 595.530 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	GOL, HEM	enzyme
Gene Ontology	Chain Function Process Component A, B D, C
Primary reference	Heme uptake across the outer membrane as revealed by crystal structures of the receptor-hemophore complex., Krieg S, Huche F, Diederichs K, Izadi-Pruneyre N, Lecroisey A, Wandersman C, Delepelaire P, Welte W, Proc Natl Acad Sci U S A. 2009 Jan 27;106(4):1045-50. Epub 2009 Jan 14. PMID:19144921

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (631 Kb) [Save to disk] Biological Unit Coordinates (3csl.pdb1.gz) 314 Kb Biological Unit Coordinates (3csl.pdb2.gz) 312 Kb LPC: Ligand-Protein Contacts for 3CSL CSU: Contacts of Structural Units for 3CSL Likely Quarternary Molecular Structure file(s) for 3CSL Structure Factors (899 Kb) Retrieve 3CSL in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CSL from S2C, [Save to disk] Re-refined 3csl structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CSL 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 3CSL

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 3CSL, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3csl] [3csl_D] [3csl_C] [3csl_A] [3csl_B] SWISS-PROT database: [Q54450] [Q79AD2] Belongs to the outer membrane receptor (omr) family according to TCDB. Domain organization of [HASA_SERMA] [Q79AD2_SERMA] by SWISSPFAM Domain found in 3CSL: [STN ] by SMART

Other resources with information on 3CSL

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

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