SMTL ID : 7u0s.1

Crystal Structure of FK506-binding protein 1A from Aspergillus fumigatus Bound to Ascomycin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

2 x KXX: (3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,22R,26aS)-8-ethyl-5,19-dihydroxy-3-{(1E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl}-14,16-dimethoxy-4,10,12,18-tetramethyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-3H-15,19-epoxypyrido[2,1-c][1,4]oxazacyclotricosine-1,7,20,21(4H,23H)-tetrone(Non-covalent)

KXX.1: 22 residues within 4Å: Chain A: Y.69, F.79, D.80, R.85, F.89, R.97, V.98, I.99, W.102, G.124, Y.125, F.130, V.133, I.134, F.142 Chain B: Y.125, R.128, G.129, F.130, P.131 Ligands: 1PE.7, KXX.8 20 PLIP interactions: 18 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:Y.69, A:F.89, A:F.89, A:F.89, A:V.98, A:W.102, A:W.102, A:Y.125, A:F.130, A:F.130, A:F.130, A:V.133, A:I.134, B:Y.125, B:F.130 Hydrogen bonds: A:Y.69, A:D.80, A:R.97, A:I.99, A:Y.125 KXX.8: 22 residues within 4Å: Chain A: Y.125, R.128, G.129, F.130, P.131 Chain B: Y.69, F.79, D.80, R.85, F.89, R.97, V.98, I.99, W.102, G.124, Y.125, F.130, I.134, F.142 Ligands: KXX.1, PG4.3, 1PE.7 19 PLIP interactions: 17 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:Y.69, B:F.89, B:F.89, B:F.89, B:V.98, B:W.102, B:W.102, B:Y.125, B:F.130, B:F.130, B:F.130, B:I.134, A:Y.125, A:F.130 Hydrogen bonds: B:Y.69, B:D.80, B:R.97, B:I.99, B:Y.125

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 3 residues within 4Å: Chain A: G.126, A.127, R.128 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:A.127, A:R.128 Water bridges: A:Y.125, A:R.128 SO4.9: 1 residues within 4Å: Chain B: S.42 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:S.42

3 x PG4: TETRAETHYLENE GLYCOL(Non-functional Binders)

PG4.3: 8 residues within 4Å: Chain A: R.128, P.131, G.132, V.133, I.134, P.135 Chain B: R.85 Ligands: KXX.8 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.128, A:G.132 PG4.5: 3 residues within 4Å: Chain A: K.50, P.52 Ligands: ACT.6 No protein-ligand interaction detected (PLIP) PG4.10: 3 residues within 4Å: Chain B: R.72, K.78, F.79 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:R.72, B:K.78, B:F.79 Water bridges: B:R.72

1 x P6G: HEXAETHYLENE GLYCOL(Non-functional Binders)

P6G.4: 5 residues within 4Å: Chain A: A.30, K.32, W.35, F.58, Q.108 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:K.32, A:W.35, A:Q.108

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.6: 3 residues within 4Å: Chain A: L.49, K.50 Ligands: PG4.5 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.50

1 x 1PE: PENTAETHYLENE GLYCOL(Non-functional Binders)

1PE.7: 10 residues within 4Å: Chain A: F.79, D.80, P.131, V.133 Chain B: F.79, D.80, P.131, V.133 Ligands: KXX.1, KXX.8 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hoy, M.J. et al., Structure-Guided Synthesis of FK506 and FK520 Analogs with Increased Selectivity Exhibit In Vivo Therapeutic Efficacy against Cryptococcus. Mbio (2022)

Release Date

2022-07-27

Peptides

FK506-binding protein 1A: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

FK506-binding protein 1A