1j3z Summary

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Direct observation of photolysis-induced tertiary structural changes in human haemoglobin; Crystal structure of alpha(Fe-CO)-beta(Ni) hemoglobin (laser unphotolysed)

The structure was published by Adachi, S., Park, S.-Y., Tame, J.R.H., Shiro, Y., and Shibayama, N., in 2003 in a paper entitled "Direct observation of photolysis-induced tertiary structural changes in hemoglobin" (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 1.6 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) Biological process (GO) Cellular component (GO)
A, C, E, G (P69905) iron ion bindingsearch protein bindingsearch oxygen bindingsearch heme bindingsearch peroxidase activitysearch haptoglobin bindingsearch oxygen transporter activitysearch metal ion bindingsearch bicarbonate transportsearch positive regulation of cell deathsearch protein heterooligomerizationsearch response to hydrogen peroxidesearch oxygen transportsearch hydrogen peroxide catabolic processsearch oxidation-reduction processsearch transportsearch small molecule metabolic processsearch cytosolsearch hemoglobin complexsearch extracellular regionsearch extracellular vesicular exosomesearch haptoglobin-hemoglobin complexsearch blood microparticlesearch endocytic vesicle lumensearch membranesearch cytosolic small ribosomal subunitsearch
B, D, F, H (P68871) oxygen transporter activitysearch oxygen bindingsearch protein bindingsearch iron ion bindingsearch heme bindingsearch peroxidase activitysearch metal ion bindingsearch haptoglobin bindingsearch hemoglobin bindingsearch regulation of blood vessel sizesearch transportsearch hydrogen peroxide catabolic processsearch bicarbonate transportsearch renal absorptionsearch oxygen transportsearch nitric oxide transportsearch platelet aggregationsearch blood coagulationsearch positive regulation of cell deathsearch protein heterooligomerizationsearch oxidation-reduction processsearch regulation of blood pressuresearch response to hydrogen peroxidesearch small molecule metabolic processsearch positive regulation of nitric oxide biosynthetic processsearch endocytic vesicle lumensearch hemoglobin complexsearch extracellular vesicular exosomesearch cytosolsearch extracellular regionsearch blood microparticlesearch haptoglobin-hemoglobin complexsearch

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