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- PDB-1hco: THE STRUCTURE OF HUMAN CARBONMONOXY HAEMOGLOBIN AT 2.7 ANGSTROMS ... -

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Basic information

Entry
Database: PDB / ID: 1hco
TitleTHE STRUCTURE OF HUMAN CARBONMONOXY HAEMOGLOBIN AT 2.7 ANGSTROMS RESOLUTION
Components
  • HEMOGLOBIN (CARBONMONOXY) (ALPHA CHAIN)
  • HEMOGLOBIN (CARBONMONOXY) (BETA CHAIN)
KeywordsOXYGEN TRANSPORT
Function / homology
Function and homology information


nitric oxide transport / hemoglobin alpha binding / haptoglobin-hemoglobin complex / organic acid binding / cellular oxidant detoxification / hemoglobin binding / renal absorption / hemoglobin complex / oxygen transport / Scavenging of heme from plasma ...nitric oxide transport / hemoglobin alpha binding / haptoglobin-hemoglobin complex / organic acid binding / cellular oxidant detoxification / hemoglobin binding / renal absorption / hemoglobin complex / oxygen transport / Scavenging of heme from plasma / endocytic vesicle lumen / blood vessel diameter maintenance / hydrogen peroxide catabolic process / oxygen carrier activity / Late endosomal microautophagy / Heme signaling / response to hydrogen peroxide / carbon dioxide transport / Erythrocytes take up oxygen and release carbon dioxide / Erythrocytes take up carbon dioxide and release oxygen / Cytoprotection by HMOX1 / platelet aggregation / oxygen binding / regulation of blood pressure / Chaperone Mediated Autophagy / positive regulation of nitric oxide biosynthetic process / tertiary granule lumen / Factors involved in megakaryocyte development and platelet production / blood microparticle / ficolin-1-rich granule lumen / iron ion binding / heme binding / Neutrophil degranulation / extracellular space / extracellular exosome / extracellular region / membrane / metal ion binding / cytosol
Similarity search - Function
Hemoglobin, pi / Hemoglobin, alpha-type / Hemoglobin, beta-type / Globin/Protoglobin / Globins / Globin family profile. / Globin-like / Globin / Globin / Globin-like superfamily ...Hemoglobin, pi / Hemoglobin, alpha-type / Hemoglobin, beta-type / Globin/Protoglobin / Globins / Globin family profile. / Globin-like / Globin / Globin / Globin-like superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
CARBON MONOXIDE / PROTOPORPHYRIN IX CONTAINING FE / Hemoglobin subunit beta / Hemoglobin subunit alpha
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / Resolution: 2.7 Å
AuthorsBaldwin, J.M.
Citation
Journal: J.Mol.Biol. / Year: 1980
Title: The structure of human carbonmonoxy haemoglobin at 2.7 A resolution.
Authors: Baldwin, J.M.
History
DepositionAug 7, 1979Processing site: BNL
Revision 1.0Aug 26, 1979Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Advisory / Version format compliance
Revision 1.3Oct 29, 2014Group: Derived calculations
Revision 2.0Feb 8, 2023Group: Atomic model / Data collection ...Atomic model / Data collection / Database references / Derived calculations / Other
Category: atom_site / atom_sites ...atom_site / atom_sites / database_2 / database_PDB_matrix / pdbx_database_status / pdbx_struct_conn_angle / pdbx_validate_rmsd_angle / pdbx_validate_rmsd_bond / pdbx_validate_torsion / struct_conn / struct_site
Item: _atom_site.Cartn_x / _atom_site.Cartn_y ..._atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_sites.fract_transf_matrix[1][1] / _atom_sites.fract_transf_matrix[1][2] / _atom_sites.fract_transf_matrix[1][3] / _atom_sites.fract_transf_matrix[2][1] / _atom_sites.fract_transf_matrix[2][2] / _atom_sites.fract_transf_matrix[2][3] / _atom_sites.fract_transf_matrix[3][1] / _atom_sites.fract_transf_matrix[3][3] / _atom_sites.fract_transf_vector[1] / _atom_sites.fract_transf_vector[2] / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _database_PDB_matrix.origx[1][1] / _database_PDB_matrix.origx[1][2] / _database_PDB_matrix.origx[1][3] / _database_PDB_matrix.origx[2][1] / _database_PDB_matrix.origx[2][2] / _database_PDB_matrix.origx[3][1] / _database_PDB_matrix.origx[3][2] / _database_PDB_matrix.origx[3][3] / _database_PDB_matrix.origx_vector[2] / _pdbx_database_status.process_site / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.value / _pdbx_validate_rmsd_bond.bond_deviation / _pdbx_validate_rmsd_bond.bond_value / _pdbx_validate_torsion.phi / _pdbx_validate_torsion.psi / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_label_asym_id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Details: Coordinates and associated ncs operations (if present) transformed into standard crystal frame
Provider: repository / Type: Remediation
Revision 2.1Mar 15, 2023Group: Advisory / Category: pdbx_database_remark
Revision 2.2Sep 27, 2023Group: Data collection / Derived calculations
Category: chem_comp_atom / chem_comp_bond / pdbx_struct_oper_list
Item: _pdbx_struct_oper_list.matrix[1][1] / _pdbx_struct_oper_list.matrix[1][2] ..._pdbx_struct_oper_list.matrix[1][1] / _pdbx_struct_oper_list.matrix[1][2] / _pdbx_struct_oper_list.matrix[2][1] / _pdbx_struct_oper_list.matrix[2][2]

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: HEMOGLOBIN (CARBONMONOXY) (ALPHA CHAIN)
B: HEMOGLOBIN (CARBONMONOXY) (BETA CHAIN)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)32,3306
Polymers31,0412
Non-polymers1,2894
Water0
1
A: HEMOGLOBIN (CARBONMONOXY) (ALPHA CHAIN)
B: HEMOGLOBIN (CARBONMONOXY) (BETA CHAIN)
hetero molecules

A: HEMOGLOBIN (CARBONMONOXY) (ALPHA CHAIN)
B: HEMOGLOBIN (CARBONMONOXY) (BETA CHAIN)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)64,65912
Polymers62,0814
Non-polymers2,5788
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation7_555y,x,-z1
Unit cell
Length a, b, c (Å)53.700, 53.700, 193.000
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number92
Space group name H-MP41212

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Components

#1: Protein HEMOGLOBIN (CARBONMONOXY) (ALPHA CHAIN)


Mass: 15150.353 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / References: UniProt: P69905
#2: Protein HEMOGLOBIN (CARBONMONOXY) (BETA CHAIN)


Mass: 15890.198 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / References: UniProt: P68871
#3: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME / Heme B


Mass: 616.487 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#4: Chemical ChemComp-CMO / CARBON MONOXIDE / Carbon monoxide


Mass: 28.010 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: CO

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.24 Å3/Da / Density % sol: 45.09 %
Crystal grow
*PLUS
pH: 6.6 / Method: unknown
Components of the solutions
*PLUS
Conc.: 2.2 M / Common name: phosphate

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
Reflection
*PLUS
Highest resolution: 2.7 Å / Num. obs: 8020 / Num. measured all: 27806 / Rmerge(I) obs: 0.049

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Processing

RefinementHighest resolution: 2.7 Å
Refinement stepCycle: LAST / Highest resolution: 2.7 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2192 0 90 0 2282

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