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Crystal structure of caspase-3 with inhibitor ac-VD(ORN)VD-cho

Analyse Crystal structure of caspase-3 with inhibitor ac-VD(ORN)VD-cho in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB: 7RN8
Type: protein
Length: 474 residues
Chains: 6
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: Caspase-3 subunit P17; Caspase-3 subunit P12; Ac-VD(ORN)VD-cho
UniProt: P42574
Pockets: 1 · best druggability 0.67

Structure

x-ray diffraction · 5 distinct chains · 30% helix, 27% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A	Caspase-3 subunit P17	protein	141	28% helix, 31% strand	P42574
B	Caspase-3 subunit P12	protein	92	34% helix, 20% strand	P42574
C	Caspase-3 subunit P17	protein	139	27% helix, 32% strand	P42574
D	Caspase-3 subunit P12	protein	92	34% helix, 20% strand	P42574
F, G	Ac-VD(ORN)VD-cho	protein	5	0% helix, 60% strand	—

Pockets

1 pocket found on a 1 Å grid, 1 with a druggability of 0.5 or more.

Pocket	Volume (Å³)	Druggability	Buriedness	Lining residues	Inside
1	335	0.67	0.81	40	empty

Interfaces

10 interfaces between chains.

A–B · 2206 Å² buried · 34 hydrogen bonds · protein-protein
C–D · 2150 Å² buried · 33 hydrogen bonds · protein-protein
B–D · 1395 Å² buried · 18 hydrogen bonds · protein-protein
B–F · 456 Å² buried · 12 hydrogen bonds · protein-protein
D–G · 428 Å² buried · 13 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 2 modified (nonstandard).

Compared structures

7RN8 · Crystal structure of caspase-3 with inhibitor Ac-VD(Orn)VD-CHO · the same entry in another collection · chain G against G, TM-score 1.00
P42574 · AlphaFold monomer V2.0 prediction for caspase-3 (P42574) · a predicted model of the same protein · chain C 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 P42574
Elsewhere: RCSB PDB 7RN8 · PDBe 7RN8 · UniProt P42574

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