1a0u Summary

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HEMOGLOBIN (VAL BETA1 MET) MUTANT

The structure was published by Kavanaugh, J.S., Weydert, J.A., Rogers, P.H., and Arnone, A., in 1998 in a paper entitled "High-resolution crystal structures of human hemoglobin with mutations at tryptophan 37beta: structural basis for a high-affinity T-state,." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.14 Å and deposited in 1997.

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 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 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%
B HEMOGLOBIN (BETA CHAIN) P68871 (3-147) (HBB_HUMAN)search Homo sapienssearch 98% 146 100%
D HEMOGLOBIN (BETA CHAIN) P68871 (3-147) (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 (3 - 147) 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 Cellular component (GO) Molecular function (GO) Biological process (GO)
A, C (P69905) hemoglobin complexsearch extracellular regionsearch cytosolic small ribosomal subunitsearch cytosolsearch blood microparticlesearch extracellular vesicular exosomesearch endocytic vesicle lumensearch membranesearch haptoglobin-hemoglobin complexsearch protein bindingsearch oxygen transporter activitysearch oxygen bindingsearch iron ion bindingsearch heme bindingsearch haptoglobin bindingsearch peroxidase activitysearch metal ion bindingsearch bicarbonate transportsearch transportsearch protein heterooligomerizationsearch oxygen transportsearch positive regulation of cell deathsearch oxidation-reduction processsearch small molecule metabolic processsearch hydrogen peroxide catabolic processsearch response to hydrogen peroxidesearch
B, D (P68871) hemoglobin complexsearch endocytic vesicle lumensearch blood microparticlesearch extracellular vesicular exosomesearch extracellular regionsearch cytosolsearch haptoglobin-hemoglobin complexsearch peroxidase activitysearch protein bindingsearch iron ion bindingsearch heme bindingsearch oxygen bindingsearch oxygen transporter activitysearch haptoglobin bindingsearch metal ion bindingsearch hemoglobin bindingsearch renal absorptionsearch nitric oxide transportsearch response to hydrogen peroxidesearch blood coagulationsearch regulation of blood vessel sizesearch oxygen transportsearch bicarbonate transportsearch oxidation-reduction processsearch small molecule metabolic processsearch platelet aggregationsearch regulation of blood pressuresearch hydrogen peroxide catabolic processsearch protein heterooligomerizationsearch transportsearch positive regulation of nitric oxide biosynthetic processsearch positive regulation of cell deathsearch

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