1yff Summary

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STRUCTURE OF HUMAN CARBONMONOXYHEMOGLOBIN C (BETA E6K): TWO QUATERNARY STATES (R2 and R3) IN ONE CRYSTAL

A publication describing this structure is not available. The depositing authors are Patskovska, L.search; Patskovsky, Y.search; Hirsch, R.E.search; Almo, S.C.search

This crystal structure was determined using X-ray diffraction at a resolution of 2.4 Å and deposited in 2004.

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