1sdl Summary

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CROSS-LINKED, CARBONMONOXY HEMOGLOBIN A

The structure was published by Schumacher, M.A., Dixon, M.M., Kluger, R., Jones, R.T., and Brennan, R.G., in 1995 in a paper entitled "Allosteric transition intermediates modelled by crosslinked haemoglobins." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 1.8 Å and deposited in 1996.

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

This PDB entry contains a complex of 2 biomacromolecules, namely HEMOGLOBIN A.

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 A P69905 (2-142) (HBA_HUMAN)search Homo sapienssearch 98% 141 100%
C HEMOGLOBIN A P69905 (2-142) (HBA_HUMAN)search Homo sapienssearch 98% 141 100%
B HEMOGLOBIN A P68871 (2-147) (HBB_HUMAN)search Homo sapienssearch 98% 146 100%
D HEMOGLOBIN A 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 A Homo sapiens
P68871 (2 - 147) HEMOGLOBIN A Homo sapiens

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

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

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