1QXE	Oxygen Storage Transport	date	Sep 05, 2003
title	Structural Basis For The Potent Antisickling Effect Of A Nov Of 5-Membered Heterocyclic Aldehydic Compounds
authors	M.K.Safo, O.Abdulmalik, R.Danso-Danquah, S.Nokuri, G.S.Joshi, F.N T.Asakura, D.J.Abraham
compound		source
Molecule: Hemoglobin Alpha Chain Chain: A, C Fragment: Alpha Chain		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organ: Blood Cell: Erythrocytes
Molecule: Hemoglobin Beta Chain Chain: B, D Fragment: Beta Chain		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organ: Blood Cell: Erythrocytes
symmetry	Space Group: P 32 2 1	R_factor 0.184 R_Free 0.223
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.857 91.857 143.530 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand	FUX, HEM, OXY, SO4	enzyme
related structures	by homologous chain: 1G9V, 1O1M
Gene Ontology	Chain Function Process Component A, C peroxidase activity D, B peroxidase activity
Primary reference	Structural basis for the potent antisickling effect of a novel class of five-membered heterocyclic aldehydic compounds., Safo MK, Abdulmalik O, Danso-Danquah R, Burnett JC, Nokuri S, Joshi GS, Musayev FN, Asakura T, Abraham DJ, J Med Chem 2004 Sep 9;47(19):4665-76. PMID:15341482

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (108 Kb) [Save to disk] Biological Unit Coordinates (1qxe.pdb1.gz) 102 Kb Biological Unit Coordinates (1qxe.pdb2.gz) 202 Kb Biological Unit Coordinates (1qxe.pdb3.gz) 203 Kb LPC: Ligand-Protein Contacts for 1QXE CSU: Contacts of Structural Units for 1QXE Likely Quarternary Molecular Structure file(s) for 1QXE Structure Factors (321 Kb) Retrieve 1QXE in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QXE from S2C, [Save to disk] Re-refined 1qxe structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QXE 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 1QXE

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 1QXE, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qxea_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qxeb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1qxec_, region C [Jmol] [rasmolscript] [script source]     - Domain d1qxed_, region D [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1qxe_B] [1qxe_A] [1qxe_D] [1qxe_C] [1qxe] SWISS-PROT database: [P69905] [P68871] Belongs to the pore-forming globin (globin) family according to TCDB. Belongs to the pore-forming globin (globin) family according to TCDB. Domain organization of [HBA_HUMAN] [HBB_HUMAN] by SWISSPFAM

Other resources with information on 1QXE

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

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