MolNFT v1 · #9887 · protein

The 1.7 a crystal structure of human cell cycle checkpoint kinase CHK1

1IA8 · CHK1 checkpoint kinase: “The 1.7 a crystal structure of human cell cycle checkpoint kinase CHK1”. X-ray diffraction, 1 ligand (SO4), 2 pockets (best druggability 0.64). MolNFT v1 #9887 on GenesisL1: 3D structure, binding sites and…

PDB: 1IA8
Type: protein
Length: 272 residues
Chains: 1
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: CHK1 checkpoint kinase
EC: 2.7.1.-
UniProt: O14757
Ligands: SO4
Pockets: 2 · best druggability 0.64

Structure

x-ray diffraction · 1 distinct chain · 34% helix, 21% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A	CHK1 checkpoint kinase (EC 2.7.1.-)	protein	272	34% helix, 21% strand	O14757

Ligands and binding sites

SO4 · Sulfate ion · ion · chains A

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

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

Pocket	Volume (Å³)	Druggability	Buriedness	Lining residues	Inside
1	239	0.64	0.82	33	empty
2	88	0.42	0.78	19	empty

Compared structures

1IA8 · The 1.7 a crystal structure of human cell cycle checkpoint kinase CHK1 · the same entry in another collection · chain A against A, TM-score 1.00
O14757 · AlphaFold monomer V2.0 prediction for SERINE/THREONINE-protein kinase CHK1 (O14757) · a predicted model of the same protein · chain A against A, TM-score 0.95

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 O14757
Elsewhere: RCSB PDB 1IA8 · PDBe 1IA8 · UniProt O14757

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