1QSI Oxygen Storage Transport date Jun 22, 1999
title Magnesium(II)-And Zinc(II)-Protoporphyrin Ix'S Stabilize The Lowest Oxygen Affinity State Of Human Hemoglobin Even More Strongly Than Deoxyheme
authors G.Miyazaki, H.Morimoto, K.M.Yun, S.Y.Park, A.Nakagawa, H.Minagawa, N.Shibayama
compound source
Molecule: Protein (Hemoglobin Alpha Chain)
Chain: A, C
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606

Molecule: Protein (Hemoglobin Beta Chain)
Chain: B, D

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: P 1 21 1
R_factor 0.186 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
63.150 83.590 53.800 90.00 99.34 90.00
method X-Ray Diffractionresolution 1.70 Å
ligand CMO, HEG, HEM enzyme
related structures by homologous chain: 1BBB, 1I3D, 1NQP
Gene
Ontology
ChainFunctionProcessComponent
A, C
  • peroxidase activity


  • D, B
  • peroxidase activity


  • Primary referenceMagnesium(II) and zinc(II)-protoporphyrin IX's stabilize the lowest oxygen affinity state of human hemoglobin even more strongly than deoxyheme., Miyazaki G, Morimoto H, Yun KM, Park SY, Nakagawa A, Minagawa H, Shibayama N, J Mol Biol 1999 Oct 8;292(5):1121-36. PMID:10512707
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (105 Kb) [Save to disk]
  • Biological Unit Coordinates (1qsi.pdb1.gz) 100 Kb
  • LPC: Ligand-Protein Contacts for 1QSI
  • CSU: Contacts of Structural Units for 1QSI
  • Likely Quarternary Molecular Structure file(s) for 1QSI
  • Retrieve 1QSI in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QSI from S2C, [Save to disk]
  • View 1QSI 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 1QSI
  • 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 1QSI, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qsia_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1qsib_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1qsic_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1qsid_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1qsi 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: [1qsi_D] [1qsi_C] [1qsi_A] [1qsi_B] [1qsi]
  • 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 1QSI
  • Community annotation for 1QSI at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1QSI from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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