GL1X · GenesisL1 explorer

MolNFT v1 · #14623 · protein

Crystal structure of human calcineurin complexed with cyclosporin a and human cyclophilin

1MF8 · Calmodulin-dependent calcineurin a subunit, alpha isoform: “Crystal structure of human calcineurin complexed with cyclosporin a and human cyclophilin”. X-ray diffraction, 2 ligands (CA, PO4), 6 pockets (best druggability 0.74).…

PDB
1MF8
Type
protein
Length
691 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Calmodulin-dependent calcineurin a subunit, alpha isoform; Calcineurin B subunit isoform…
EC
3.1.3.16, 5.2.1.8
UniProt
Q08209, P63098, P62937
Ligands
CA, PO4
Pockets
6 · best druggability 0.74

Structure

x-ray diffraction · 4 distinct chains · 35% helix, 18% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ACalmodulin-dependent calcineurin a subunit, alpha isoform (EC 3.1.3.16)protein35237% helix, 17% strandQ08209
BCalcineurin B subunit isoform 1 (EC 3.1.3.16)protein16457% helix, 5% strandP63098
CPeptidyl-prolyl cis-trans isomerase a (EC 5.2.1.8)protein16414% helix, 34% strandP62937
DCyclosporin aprotein110% helix, 9% strand—

Ligands and binding sites

  • CA · Calcium ion · metal · 4 copies · chains B
  • PO4 · Phosphate ion · ion · chains A

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

Pockets

6 pockets found on a 1 Å grid, 4 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
16860.740.8079empty
22630.650.8238empty
35170.640.7642PO4
41040.610.8718empty
5800.380.7819empty

Interfaces

6 interfaces between chains.

  • A–B · 1945 Ų buried · 14 hydrogen bonds · protein-protein
  • C–D · 503 Ų buried · 7 hydrogen bonds · protein-protein
  • A–D · 415 Ų buried · 2 hydrogen bonds · protein-protein
  • A–C · 411 Ų buried · 1 hydrogen bond · protein-protein
  • B–C · 222 Ų buried · 3 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 8 modified, 1 d-amino (nonstandard, methylation, D-amino acid).

Compared structures

  • 1MF8 · Crystal Structure of human calcineurin complexed with cyclosporin A and human cyclophilin · the same entry in another collection · chain A against A, TM-score 1.00
  • Q08209 · AlphaFold monomer V2.0 prediction for SERINE/THREONINE-protein phosphatase 2B catalytic… · a predicted model of the same protein · chain A against A, TM-score 0.96
  • P63098 · AlphaFold monomer V2.0 prediction for calcineurin subunit B type 1 (P63098) · a predicted model of the same protein · chain B against A, TM-score 0.96

Analyse

GL1X is a live explorer of the GenesisL1 blockchain. Turn on JavaScript for search, charts and interactive views.