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- PDB-1hgb: HIGH RESOLUTION CRYSTAL STRUCTURES AND COMPARISONS OF T STATE DEO... -

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Basic information

Entry
Database: PDB / ID: 1hgb
TitleHIGH RESOLUTION CRYSTAL STRUCTURES AND COMPARISONS OF T STATE DEOXYHAEMOGLOBIN AND TWO LIGANDED T-STATE HAEMOGLOBINS: T(ALPHA-OXY)HAEMOGLOBIN AND T(MET)HAEMOGLOBIN
Components
  • HEMOGLOBIN (AQUO MET) (ALPHA CHAIN)
  • HEMOGLOBIN (AQUO MET) (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 / carbon dioxide transport / response to hydrogen peroxide / 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
PROTOPORPHYRIN IX CONTAINING FE / Hemoglobin subunit beta / Hemoglobin subunit alpha
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / Resolution: 2.1 Å
AuthorsLiddington, R. / Derewenda, Z. / Dodson, E. / Hubbard, R. / Dodson, G.
CitationJournal: J.Mol.Biol. / Year: 1992
Title: High resolution crystal structures and comparisons of T-state deoxyhaemoglobin and two liganded T-state haemoglobins: T(alpha-oxy)haemoglobin and T(met)haemoglobin.
Authors: Liddington, R. / Derewenda, Z. / Dodson, E. / Hubbard, R. / Dodson, G.
History
DepositionOct 31, 1991Processing site: BNL
Revision 1.0Jan 31, 1994Provider: repository / Type: Initial release
Revision 1.1Mar 3, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 17, 2012Group: Advisory
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_validate_rmsd_angle / 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_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[2][2] / _database_PDB_matrix.origx[3][3] / _database_PDB_matrix.origx_vector[1] / _database_PDB_matrix.origx_vector[2] / _pdbx_database_status.process_site / _pdbx_validate_rmsd_angle.angle_deviation / _pdbx_validate_rmsd_angle.angle_value / _pdbx_validate_torsion.psi / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: HEMOGLOBIN (AQUO MET) (ALPHA CHAIN)
B: HEMOGLOBIN (AQUO MET) (BETA CHAIN)
C: HEMOGLOBIN (AQUO MET) (ALPHA CHAIN)
D: HEMOGLOBIN (AQUO MET) (BETA CHAIN)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)64,5478
Polymers62,0814
Non-polymers2,4664
Water3,711206
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)95.780, 97.780, 65.490
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212

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Components

#1: Protein HEMOGLOBIN (AQUO MET) (ALPHA CHAIN)


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


Mass: 15890.198 Da / Num. of mol.: 2
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.: 4 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 206 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.47 Å3/Da / Density % sol: 50.18 %
Crystal grow
*PLUS
pH: 7 / Method: unknown
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
1100 mg/mloxyhaemoglobin11
2100 mMphosphate11
37-8 %(w/v)PEG800011can be replaced with 9-10%(w/v) PEG1000

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
Reflection
*PLUS
Highest resolution: 2.1 Å / Num. obs: 30739 / % possible obs: 87 % / Num. measured all: 75825 / Rmerge(I) obs: 0.113

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Processing

SoftwareName: PROLSQ / Classification: refinement
RefinementRfactor obs: 0.21 / Highest resolution: 2.1 Å
Details: THE COORDINATES ARE PRESENTED IN A COORDINATE FRAME THAT IS TRANSLATED BY -1/4*95.780 ALONG A. THUS THE TRANSFORMATION PRESENTED ON *SCALE* RECORDS BELOW IS NOT THE DEFAULT.
Refinement stepCycle: LAST / Highest resolution: 2.1 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4384 0 172 206 4762
Software
*PLUS
Name: PROLSQ / Classification: refinement
Refinement
*PLUS
Highest resolution: 2.1 Å / Rfactor obs: 0.21
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 20 Å2
Refine LS restraints
*PLUS
Type: p_bond_d / Dev ideal: 0.033

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