Research workbench
Structure of a crystal form of human methemoglobin indicative of fiber formation
Analyse Structure of a crystal form of human methemoglobin indicative of fiber formation in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 3ODQ
- Type
- protein
- Length
- 574 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Hemoglobin subunit alpha; Hemoglobin subunit beta
- UniProt
- P69905, P68871
- Ligands
- HEM
- Pockets
- 9 · best druggability 0.84
Structure
x-ray diffraction · 2 distinct chains · 75% helix, 0% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, C | Hemoglobin subunit alpha | protein | 141 | 75% helix, 0% strand | P69905 |
| B, D | Hemoglobin subunit beta | protein | 146 | 75% helix, 0% strand | P68871 |
Ligands and binding sites
- HEM · Protoporphyrin IX containing Fe · ligand · 4 copies · chains A, B, C, D
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
9 pockets found on a 1 Å grid, 7 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1078 | 0.84 | 0.85 | 92 | HEM |
| 2 | 787 | 0.82 | 0.85 | 69 | empty |
| 3 | 130 | 0.80 | 0.97 | 25 | empty |
| 4 | 71 | 0.75 | 0.98 | 25 | empty |
| 5 | 222 | 0.72 | 0.87 | 29 | HEM |
Interfaces
6 interfaces between chains.
- C–D · 944 Ų buried · 11 hydrogen bonds · protein-protein
- A–B · 916 Ų buried · 11 hydrogen bonds · protein-protein
- A–D · 529 Ų buried · 2 hydrogen bonds · protein-protein
- B–C · 524 Ų buried · 6 hydrogen bonds · protein-protein
- B–D · 169 Ų buried · 0 hydrogen bonds · protein-protein
Compared structures
- 3ODQ · Structure of a Crystal Form of Human Methemoglobin Indicative of Fiber Formation · the same entry in another collection · chain A against A, TM-score 1.00
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt P69905
- Every structure of UniProt P68871
- Elsewhere: RCSB PDB 3ODQ · PDBe 3ODQ · UniProt P69905 · UniProt P68871
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