3SZK	Oxygen Transport Protein Binding	date	Jul 19, 2011
title	Crystal Structure Of Human Methaemoglobin Complexed With The Neat Domain Of Isdh From Staphylococcus Aureus
authors	D.A.Jacques, K.K.Kumar, J.M.Guss, D.A.Gell
compound		source
Molecule: Hemoglobin Subunit Alpha Chain: D, A Synonym: Alpha-Globin, Hemoglobin Alpha Chain		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
Molecule: Hemoglobin Subunit Beta Chain: B, E Synonym: Beta-Globin, Hemoglobin Beta Chain, Lvv-Hemorphin-		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
Molecule: Iron-Regulated Surface Determinant Protein H Chain: F, C Fragment: First Neat Domain Synonym: Isdh, Haptoglobin Receptor A, Staphylococcus Aureu Protein I; Engineered: Yes		Organism_scientific: Staphylococcus Aureus Organism_taxid: 196620 Strain: Mw2 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet11a
symmetry	Space Group: P 21 21 21	R_factor 0.245 R_Free 0.275
crystal cell	length a length b length c angle alpha angle beta angle gamma 65.880 123.206 143.933 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.01 Å
ligand	HEM	enzyme
Gene Ontology	Chain Function Process Component A, D peroxidase activity E, B peroxidase activity
Primary reference	Structural basis for hemoglobin capture by Staphylococcus aureus cell-surface protein, IsdH., Krishna Kumar K, Jacques DA, Pishchany G, Caradoc-Davies T, Spirig T, Malmirchegini GR, Langley DB, Dickson CF, Mackay JP, Clubb RT, Skaar EP, Guss JM, Gell DA, J Biol Chem. 2011 Nov 4;286(44):38439-47. Epub 2011 Sep 14. PMID:21917915

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (280 Kb) [Save to disk] Biological Unit Coordinates (3szk.pdb1.gz) 134 Kb Biological Unit Coordinates (3szk.pdb2.gz) 141 Kb LPC: Ligand-Protein Contacts for 3SZK CSU: Contacts of Structural Units for 3SZK Structure Factors (1319 Kb) Retrieve 3SZK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3SZK from S2C, [Save to disk] Re-refined 3szk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3SZK 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 3SZK

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 3SZK, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3szk_A] [3szk_E] [3szk_C] [3szk_F] [3szk_B] [3szk_D] [3szk] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3SZK: [NEAT ] by SMART

Other resources with information on 3SZK

Community annotation for 3SZK at PDBWiki (http://pdbwiki.org)

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