1uiw Summary

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Crystal Structures of Unliganded and Half-Liganded Human Hemoglobin Derivatives Cross-Linked between Lys 82beta1 and Lys 82beta2

The structure was published by Park, S.-Y., Shibayama, N., Hiraki, T., and Tame, J.R.H., in 2004 in a paper entitled "Crystal structures of unliganded and half-liganded human hemoglobin derivatives cross-linked between Lys 82beta1 and Lys 82beta2" (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 1.5 Å and deposited in 2003.

The experimental data on which the structure is based was not deposited.

This PDB entry contains a complex of 2 biomacromolecules, namely Hemoglobin alpha chain and Hemoglobin beta chain.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule has more than one probable quaternary state observed. For more details see the quaternary structure page.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A Hemoglobin alpha chain P69905 (2-142) (HBA_HUMAN)search Homo sapienssearch 98% 141 100%
C Hemoglobin alpha chain P69905 (2-142) (HBA_HUMAN)search Homo sapienssearch 98% 141 100%
E Hemoglobin alpha chain P69905 (2-142) (HBA_HUMAN)search Homo sapienssearch 98% 141 100%
G Hemoglobin alpha chain P69905 (2-142) (HBA_HUMAN)search Homo sapienssearch 98% 141 100%
B Hemoglobin beta chain P68871 (2-147) (HBB_HUMAN)search Homo sapienssearch 98% 146 100%
D Hemoglobin beta chain P68871 (2-147) (HBB_HUMAN)search Homo sapienssearch 98% 146 100%
F Hemoglobin beta chain P68871 (2-147) (HBB_HUMAN)search Homo sapienssearch 98% 146 100%
H Hemoglobin beta chain P68871 (2-147) (HBB_HUMAN)search Homo sapienssearch 98% 146 100%


This entry contains 2 unique UniProt proteins:

UniProt accession Name Organism PDB
P69905 (2 - 142) Hemoglobin alpha chain Homo sapiens
P68871 (2 - 147) Hemoglobin beta chain Homo sapiens

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A, C, E, G (P69905) Globinssearch Globinssearch PF00042: Globinsearch
B, D, F, H (P68871) Globinssearch Globinssearch PF00042: Globinsearch

Chain ID Molecular function (GO) Cellular component (GO) Biological process (GO)
A, C, E, G (P69905) heme bindingsearch oxygen bindingsearch iron ion bindingsearch metal ion bindingsearch protein bindingsearch oxygen transporter activitysearch peroxidase activitysearch haptoglobin bindingsearch hemoglobin complexsearch membranesearch cytosolsearch extracellular exosomesearch extracellular regionsearch haptoglobin-hemoglobin complexsearch blood microparticlesearch cytosolic small ribosomal subunitsearch endocytic vesicle lumensearch oxygen transportsearch small molecule metabolic processsearch response to hydrogen peroxidesearch positive regulation of cell deathsearch bicarbonate transportsearch oxidation-reduction processsearch hydrogen peroxide catabolic processsearch transportsearch protein heterooligomerizationsearch receptor-mediated endocytosissearch
B, D, F, H (P68871) oxygen bindingsearch heme bindingsearch protein bindingsearch oxygen transporter activitysearch haptoglobin bindingsearch peroxidase activitysearch iron ion bindingsearch hemoglobin bindingsearch metal ion bindingsearch hemoglobin complexsearch extracellular regionsearch cytosolsearch extracellular exosomesearch blood microparticlesearch endocytic vesicle lumensearch haptoglobin-hemoglobin complexsearch oxygen transportsearch bicarbonate transportsearch protein heterooligomerizationsearch platelet aggregationsearch receptor-mediated endocytosissearch regulation of blood pressuresearch renal absorptionsearch small molecule metabolic processsearch response to hydrogen peroxidesearch nitric oxide transportsearch oxidation-reduction processsearch positive regulation of nitric oxide biosynthetic processsearch positive regulation of cell deathsearch transportsearch blood coagulationsearch hydrogen peroxide catabolic processsearch regulation of blood vessel sizesearch

Chain InterPro annotation
A, C, E, G Globinsearch Haemoglobin, alphasearch Haemoglobin, pisearch Globin-likesearch Globin, structural domainsearch
B, D, F, H Globinsearch Haemoglobin, betasearch Globin-likesearch Globin, structural domainsearch