Research workbench

GTP cyclohydrolase I

Analyse GTP cyclohydrolase I in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB: 1GTP
Type: protein
Length: 4,420 residues
Chains: 20
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: GTP cyclohydrolase I
EC: 3.5.4.16
UniProt: P0A6T5
Ligands: SO4
Pockets: 20 · best druggability 0.83

Structure

x-ray diffraction · 1 distinct chain · 45% helix, 22% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T	GTP cyclohydrolase I (EC 3.5.4.16)	protein	221	45% helix, 22% strand	P0A6T5

Ligands and binding sites

SO4 · Sulfate ion · ion · 20 copies · chains A, E, B, C, D, F, J, G, H, I, K, O, L, M, N, P, T, Q, R, S

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.

Pocket	Volume (Å³)	Druggability	Buriedness	Lining residues	Inside
1	877	0.83	0.86	95	empty
2	915	0.83	0.85	97	empty
3	649	0.83	0.87	91	empty
4	589	0.83	0.88	80	empty
5	467	0.79	0.87	73	empty

Interfaces

54 interfaces between chains.

M–R · 2643 Å² buried · 43 hydrogen bonds · protein-protein
D–G · 2639 Å² buried · 42 hydrogen bonds · protein-protein
O–P · 2631 Å² buried · 43 hydrogen bonds · protein-protein
B–I · 2628 Å² buried · 43 hydrogen bonds · protein-protein
K–T · 2627 Å² buried · 43 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 20 disulfide (disulfide).

Compared structures

1GTP · GTP cyclohydrolase I · 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 P0A6T5
Elsewhere: RCSB PDB 1GTP · PDBe 1GTP · UniProt P0A6T5

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