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. 2021 Nov 23;12(6):e03000-21. doi: 10.1128/mBio.03000-21

TABLE 3.

Summary of results from biophysical characterization of FK506 and APX879 complexesa

Crystal structures (H-bond pairs)
NMR (Δ chemical shift >1 SD)
MD simulations (H-bond pair with Z-score >1)
FK506 APX879 FK506 APX879 FK506 APX879
hFKBP12 (PDB 1FKJ and 6VCU) V25 V25
D38-O6 D38-O6 D38-O6 D38-O6
S40 S40
R43 R43 R43-O5, O6, O8
M50-O13
G52 G52
E55-O10 E55-O10 E55-O10 E55-O10, O12
I57-O2 I57-O2 I57 I57 I57-O2 I57-O2
W60-O3, O11 W60-O3
E62 E62
A65 A65
Y83-O3 Y83-O3
G84-O11
A85-O12
T86-O12
G87-O12
H88-O12
I91-O9
F100 F100
 
AfFKBP12 (PDB 5HWC and 6VCV) I25 I25
H26 H26
Y27-O4, O5 Y27 Y27 Y27-O6
D38-O6, O4 D38-O6 D38-O4, O6 D38-O6
R43 R43
T49 T49
R55-O10 R55-O10 R55-O10 R55-O10
V56 V56
I57-O2 I57-O2 I57 I57 I57-O2 I57-O2
W60-O3 W60-O3
Y83-O3 Y83-O3
R86-O12
V102 V102
E103 E103
 
McFKBP12 (PDB 6VRX and 6VCT) I25 I25
H26 H26
Y27-O5 Y27-O4 Y27-O6, O8
D38-O6, O4 D38-O6 D3-O6
R43-O6, O8
F47 F47
Q48 Q48
C49 C49
T50-O13
Q55-O10 Q55-O10 Q55-O10 Q55-O10
V56 V56
I57-O2 I57-O2 I57 I57 I57-O2 I57-O2
W60-O3 W60-O3
Y83-O3 Y83-O3
E101 E101
V102 V102
E103 E103
a

Residues in italic are observed by two methods while those in bold are observed by three methods for the same protein-ligand complex. For MD simulation H-bond Z-score calculations, see Table S2.