Research workbench
Capturing the haemoglobin allosteric transition in a single crystal form; crystal structure of full-liganded human haemoglobin with phosphate at 2.75 a resolution.
Analyse Capturing the haemoglobin allosteric transition in a single crystal form… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 4N7N
- Type
- protein
- Length
- 1,722 residues
- Chains
- 12
- 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
- 20 · best druggability 0.84
Structure
x-ray diffraction · 2 distinct chains · 76% helix, 0% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, C, E, G, I, K | Hemoglobin subunit alpha | protein | 141 | 73% helix, 0% strand | P69905 |
| B, D, F, H, J, L | Hemoglobin subunit beta | protein | 146 | 79% helix, 0% strand | P68871 |
Ligands and binding sites
- HEM · Protoporphyrin IX containing Fe · ligand · 12 copies · chains A, B, C, D, E, F, G, H, I, J, K, L
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
20 pockets found on a 1 Å grid, 20 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 749 | 0.84 | 0.87 | 56 | empty |
| 2 | 698 | 0.83 | 0.87 | 69 | empty |
| 3 | 654 | 0.82 | 0.87 | 73 | empty |
| 4 | 612 | 0.82 | 0.87 | 66 | empty |
| 5 | 586 | 0.82 | 0.87 | 65 | empty |
Interfaces
25 interfaces between chains.
- A–B · 948 Ų buried · 8 hydrogen bonds · protein-protein
- C–D · 920 Ų buried · 12 hydrogen bonds · protein-protein
- I–J · 911 Ų buried · 12 hydrogen bonds · protein-protein
- K–L · 909 Ų buried · 12 hydrogen bonds · protein-protein
- G–H · 884 Ų buried · 10 hydrogen bonds · protein-protein
Compared structures
- 4N7N · Capturing the haemoglobin allosteric transition in a single crystal form; Crystal… · the same entry in another collection · chain I against I, 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 4N7N · PDBe 4N7N · UniProt P69905 · UniProt P68871
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