5HU6	Transport Protein	date	Jan 27, 2016
title	Structure Of The T. Brucei Haptoglobin-Haemoglobin Receptor Human Haptolgobin-Haemoglobin
authors	H.Lane-Serff, M.K.Higgins
compound		source
Molecule: Hemoglobin Subunit Alpha Chain: A Synonym: Alpha-Globin,Hemoglobin Alpha Chain Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hba1, Hba2 Expression_system: Homo Sapiens Expression_system_common: Human Expression_system_taxid: 9606
Molecule: Hemoglobin Subunit Beta Chain: B Synonym: Beta-Globin,Hemoglobin Beta Chain Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hbb Expression_system: Homo Sapiens Expression_system_common: Human Expression_system_taxid: 9606
Molecule: Haptoglobin Chain: C Synonym: Zonulin Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hp Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108
Molecule: Haptoglobin-Hemoglobin Receptor Chain: D Engineered: Yes		Organism_scientific: Trypanosoma Brucei Brucei Organism_taxid: 5702 Gene: Hphbr Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 1 2 1	R_factor 0.190 R_Free 0.226
crystal cell	length a length b length c angle alpha angle beta angle gamma 222.290 56.560 66.100 90.00 92.97 90.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	HEM, NAG, OXY	enzyme
note	5HU6 supersedes 4X0I
Gene Ontology	Chain Function Process Component A peroxidase activity B peroxidase activity C
Primary reference	Structural basis for ligand and innate immunity factor uptake by the trypanosome haptoglobin-haemoglobin receptor., Lane-Serff H, MacGregor P, Lowe E, Carrington M, Higgins M, Elife. 2014 Dec 12;3. doi: 10.7554/eLife.05553. PMID:25497229

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (262 Kb) [Save to disk] Biological Unit Coordinates (5hu6.pdb1.gz) 256 Kb LPC: Ligand-Protein Contacts for 5HU6 CSU: Contacts of Structural Units for 5HU6 Structure Factors (505 Kb) Retrieve 5HU6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 5HU6 from S2C, [Save to disk] Re-refined 5hu6 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 5HU6 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 5HU6

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

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [5hu6] [5hu6_D] [5hu6_B] [5hu6_A] [5hu6_C] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 5HU6: [Tryp_SPc ] by SMART

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