1bz0 Summary

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HEMOGLOBIN A (HUMAN, DEOXY, HIGH SALT)

The structure was published by Kavanaugh, J.S., Moo-Penn, W.F., and Arnone, A., in 1993 in a paper entitled "Accommodation of insertions in helices: the mutation in hemoglobin Catonsville (Pro 37 alpha-Glu-Thr 38 alpha) generates a 3(10)-->alpha bulge." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 1.5 Å and deposited in 1998.

The experimental data on which the structure is based was also deposited.

This PDB entry contains a complex of 2 biomacromolecules, namely PROTEIN (HEMOGLOBIN ALPHA CHAIN) and PROTEIN (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 most likely forms heterotetramers.

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 PROTEIN (HEMOGLOBIN ALPHA CHAIN) P69905 (2-142) (HBA_HUMAN)search Homo sapienssearch 98% 141 100%
C PROTEIN (HEMOGLOBIN ALPHA CHAIN) P69905 (2-142) (HBA_HUMAN)search Homo sapienssearch 98% 141 100%
B PROTEIN (HEMOGLOBIN BETA CHAIN) P68871 (2-147) (HBB_HUMAN)search Homo sapienssearch 98% 146 100%
D PROTEIN (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) PROTEIN (HEMOGLOBIN ALPHA CHAIN) Homo sapiens
P68871 (2 - 147) PROTEIN (HEMOGLOBIN BETA CHAIN) 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 Molecular function (GO) Cellular component (GO) Biological process (GO)
A, C (P69905) heme bindingsearch oxygen bindingsearch iron ion bindingsearch protein bindingsearch peroxidase activitysearch metal ion bindingsearch haptoglobin bindingsearch oxygen transporter activitysearch hemoglobin complexsearch extracellular vesicular exosomesearch membranesearch blood microparticlesearch cytosolic small ribosomal subunitsearch cytosolsearch extracellular regionsearch haptoglobin-hemoglobin complexsearch endocytic vesicle lumensearch oxygen transportsearch bicarbonate transportsearch response to hydrogen peroxidesearch protein heterooligomerizationsearch positive regulation of cell deathsearch hydrogen peroxide catabolic processsearch small molecule metabolic processsearch transportsearch oxidation-reduction processsearch
B, D (P68871) iron ion bindingsearch heme bindingsearch hemoglobin bindingsearch protein bindingsearch oxygen transporter activitysearch metal ion bindingsearch oxygen bindingsearch peroxidase activitysearch haptoglobin bindingsearch hemoglobin complexsearch cytosolsearch extracellular vesicular exosomesearch extracellular regionsearch blood microparticlesearch endocytic vesicle lumensearch haptoglobin-hemoglobin complexsearch oxygen transportsearch nitric oxide transportsearch positive regulation of nitric oxide biosynthetic processsearch bicarbonate transportsearch small molecule metabolic processsearch regulation of blood vessel sizesearch oxidation-reduction processsearch blood coagulationsearch platelet aggregationsearch renal absorptionsearch hydrogen peroxide catabolic processsearch protein heterooligomerizationsearch positive regulation of cell deathsearch regulation of blood pressuresearch transportsearch response to hydrogen peroxidesearch

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