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Crystal structure of human carbonic anhydrase isozyme XII with 3- [(1S)-1,2,3,4-tetrahydronapthalen-1-ylamino)-2,5,6-trifluoro-4-[(2- HYDROXYETHYL)SULFONYL]BENZENESULFONAMIDE

Analyse Crystal structure of human carbonic anhydrase isozyme XII with 3… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB: 5LLP
Type: protein
Length: 1,041 residues
Chains: 4
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: Carbonic anhydrase 12
EC: 4.2.1.1
UniProt: O43570
Ligands: 6Z9, ZN
Pockets: 10 · best druggability 0.85

Structure

x-ray diffraction · 2 distinct chains · 17% helix, 32% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A, C, D	Carbonic anhydrase 12 (EC 4.2.1.1)	protein	260	18% helix, 32% strand	O43570
B	Carbonic anhydrase 12 (EC 4.2.1.1)	protein	261	15% helix, 32% strand	O43570

Ligands and binding sites

6Z9 · 3-[(1S)-1,2,3,4-tetrahydronapthalen-1-ylamino)-2,5,6-trifluoro-4-[(2-hydroxyethyl) sulfonyl]benzenesulfonamide · ligand · 4 copies · chains A, B, C, D
ZN · Zinc ion · metal · 4 copies · chains A, B, C, D

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

Pockets

10 pockets found on a 1 Å grid, 7 with a druggability of 0.5 or more.

Pocket	Volume (Å³)	Druggability	Buriedness	Lining residues	Inside
1	1075	0.85	0.86	133	empty
2	768	0.82	0.85	89	empty
3	525	0.63	0.75	49	empty
4	229	0.59	0.80	27	6Z9
5	224	0.59	0.80	28	6Z9

Interfaces

5 interfaces between chains.

C–D · 1176 Å² buried · 27 hydrogen bonds · protein-protein
A–B · 1147 Å² buried · 22 hydrogen bonds · protein-protein
B–D · 468 Å² buried · 4 hydrogen bonds · protein-protein
A–C · 277 Å² buried · 0 hydrogen bonds · protein-protein
A–D · 12 Å² buried · 0 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 4 disulfide (disulfide).

Compared structures

5LLP · Crystal structure of human carbonic anhydrase isozyme XII with… · the same entry in another collection · chain D against D, TM-score 1.00
O43570 · AlphaFold monomer V2.0 prediction for carbonic anhydrase 12 (O43570) · a predicted model of the same protein · 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 O43570
Elsewhere: RCSB PDB 5LLP · PDBe 5LLP · UniProt O43570

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