1NQP Oxygen Storage Transport date Jan 22, 2003
title Crystal Structure Of Human Hemoglobin E At 1.73 A Resolution
authors J.Dasgupta, U.Sen, D.Choudhury, P.Dutta, S.Basu, A.Chakrabarti, A.Chakrabarty, J.K.Dattagupta
compound source
Molecule: Hemoglobin Alpha Chain
Chain: A, C
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Other_details: Purified From Ebeta Thalassemia Blood Sampl

Molecule: Hemoglobin Beta Chain
Chain: B, D

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: P 21 21 21
R_factor 0.191 R_Free 0.211
crystal
cell
length a length b length c angle alpha angle beta angle gamma
60.888 95.814 99.084 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.73 Å
ligand CYN, HEM enzyme
related structures by homologous chain: 1I3D, 1QSI, 4HHB
Gene
Ontology
ChainFunctionProcessComponent
A, C
  • peroxidase activity


  • D, B
  • peroxidase activity


  • Primary referenceCrystallization and preliminary X-ray structural studies of hemoglobin A2 and hemoglobin E, isolated from the blood samples of beta-thalassemic patients., Dasgupta J, Sen U, Choudhury D, Datta P, Chakrabarti A, Chakrabarty SB, Chakrabarty A, Dattagupta JK, Biochem Biophys Res Commun 2003 Apr 4;303(2):619-23. PMID:12659864
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (110 Kb) [Save to disk]
  • Biological Unit Coordinates (1nqp.pdb1.gz) 104 Kb
  • LPC: Ligand-Protein Contacts for 1NQP
  • CSU: Contacts of Structural Units for 1NQP
  • Likely Quarternary Molecular Structure file(s) for 1NQP
  • Retrieve 1NQP in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1NQP from S2C, [Save to disk]
  • View 1NQP 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 1NQP
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1NQP, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1nqpa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1nqpb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1nqpc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1nqpd_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1nqp from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1nqp_C] [1nqp_A] [1nqp] [1nqp_D] [1nqp_B]
  • 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 1NQP
  • Community annotation for 1NQP at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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