2hbd Summary

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HIGH RESOLUTION X-RAY STRUCTURES OF MYOGLOBIN-AND HEMOGLOBIN-ALKYL ISOCYANIDE COMPLEXES

The structure was published by Johnson, K.A., in 1993 in a paper entitled "High Resolution X-Ray Structures of Myoglobin-and Hemoglobin-Alkyl Isocyanide Complexes" (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.2 Å and deposited in 1994.

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

This PDB entry contains a complex of 2 biomacromolecules, namely HEMOGLOBIN A (METHYL ISOCYANIDE) (ALPHA CHAIN) and HEMOGLOBIN A (METHYL ISOCYANIDE) (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 A (METHYL ISOCYANIDE) (ALPHA CHAIN) P69905 (2-142) (HBA_HUMAN)search Homo sapienssearch 98% 141 100%
B HEMOGLOBIN A (METHYL ISOCYANIDE) (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 A (METHYL ISOCYANIDE) (ALPHA CHAIN) Homo sapiens
P68871 (2 - 147) HEMOGLOBIN A (METHYL ISOCYANIDE) (BETA CHAIN) Homo sapiens

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

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

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