SMTL ID : 6tyh.1

Four-Disulfide Insulin Analog A22/B22

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

hetero-6-6-mer

Ligands

7 x IPH: PHENOL(Non-covalent)

IPH.1: 9 residues within 4Å: Chain A: C.6, S.9, I.10, C.11 Chain B: H.10, L.11, A.14 Chain F: H.5, L.6 7 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A, 2 interactions with chain F Hydrophobic interactions: B:H.10, B:L.11, B:A.14, F:L.6 Hydrogen bonds: A:C.6, A:C.11 pi-Stacking: F:H.5 IPH.6: 7 residues within 4Å: Chain C: C.6, S.9, I.10, C.11 Chain D: H.10, L.11 Chain J: H.5 5 PLIP interactions: 2 interactions with chain D, 2 interactions with chain C, 1 interactions with chain J Hydrophobic interactions: D:H.10, D:L.11 Hydrogen bonds: C:C.6, C:C.11 pi-Cation interactions: J:H.5 IPH.8: 5 residues within 4Å: Chain D: L.17, V.18 Chain E: C.11, L.13 Chain F: V.18 6 PLIP interactions: 1 interactions with chain F, 2 interactions with chain D, 3 interactions with chain E Hydrophobic interactions: F:V.18, D:L.17, D:V.18, E:L.13, E:L.13 Water bridges: E:L.13 IPH.9: 9 residues within 4Å: Chain E: C.6, S.9, I.10, C.11 Chain F: C.7, H.10, L.11, A.14 Chain L: H.5 6 PLIP interactions: 3 interactions with chain F, 1 interactions with chain L, 2 interactions with chain E Hydrophobic interactions: F:H.10, F:L.11, F:A.14, E:I.10 pi-Cation interactions: L:H.5 Hydrogen bonds: E:C.11 IPH.10: 7 residues within 4Å: Chain D: H.5 Chain G: C.6, S.9, I.10, C.11 Chain H: H.10, L.11 3 PLIP interactions: 1 interactions with chain D, 1 interactions with chain G, 1 interactions with chain H pi-Cation interactions: D:H.5 Hydrogen bonds: G:C.11 Hydrophobic interactions: H:L.11 IPH.12: 7 residues within 4Å: Chain H: H.5 Chain I: C.6, S.9, I.10, C.11 Chain J: H.10, L.11 5 PLIP interactions: 2 interactions with chain I, 1 interactions with chain H, 2 interactions with chain J Hydrogen bonds: I:C.6, I:C.11 pi-Stacking: H:H.5 Hydrophobic interactions: J:H.10, J:L.11 IPH.14: 9 residues within 4Å: Chain B: V.2, H.5, L.6 Chain K: C.6, S.9, I.10, C.11 Chain L: H.10, L.11 4 PLIP interactions: 2 interactions with chain B, 1 interactions with chain L, 1 interactions with chain K Hydrophobic interactions: B:L.6, L:L.11 pi-Stacking: B:H.5 Hydrogen bonds: K:C.11

2 x ACN: ACETONE(Non-covalent)

ACN.2: 6 residues within 4Å: Chain A: L.13, L.16 Chain B: V.18 Chain I: L.13 Chain J: L.17, V.18 6 PLIP interactions: 3 interactions with chain A, 1 interactions with chain B, 1 interactions with chain I, 1 interactions with chain J Hydrophobic interactions: A:L.13, A:L.16, B:V.18, I:L.13, J:L.17 Water bridges: A:L.13 ACN.5: 5 residues within 4Å: Chain B: N.3, C.7 Chain F: N.3, L.6 Ligands: GOL.15 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain F Hydrophobic interactions: B:N.3, F:N.3

2 x ZN: ZINC ION(Non-covalent)

ZN.3: 4 residues within 4Å: Chain B: H.10 Chain F: H.10 Chain L: H.10 Ligands: CL.4 3 PLIP interactions: 1 interactions with chain F, 1 interactions with chain L, 1 interactions with chain B Metal complexes: F:H.10, L:H.10, B:H.10 ZN.7: 4 residues within 4Å: Chain D: H.10 Chain H: H.10 Chain J: H.10 Ligands: CL.11 3 PLIP interactions: 1 interactions with chain J, 1 interactions with chain D, 1 interactions with chain H Metal complexes: J:H.10, D:H.10, H:H.10

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.4: 7 residues within 4Å: Chain B: L.6, H.10 Chain F: L.6, H.10 Chain L: L.6, H.10 Ligands: ZN.3 Ligand excluded by PLIP CL.11: 7 residues within 4Å: Chain D: L.6, H.10 Chain H: L.6, H.10 Chain J: L.6, H.10 Ligands: ZN.7 Ligand excluded by PLIP

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.13: 4 residues within 4Å: Chain C: C.7 Chain D: N.3 Chain J: N.3, L.6 3 PLIP interactions: 1 interactions with chain D, 1 interactions with chain H, 1 interactions with chain J Hydrogen bonds: D:N.3 Water bridges: H:F.1, J:N.3 GOL.15: 7 residues within 4Å: Chain B: V.2, N.3, L.6 Chain K: C.7 Chain L: N.3, C.7 Ligands: ACN.5 2 PLIP interactions: 1 interactions with chain L, 1 interactions with chain K Hydrogen bonds: L:N.3, K:C.7

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xiong, X. et al., Novel four-disulfide insulin analog with high aggregation stability and potency. Chem Sci (2020)

Release Date

2019-11-13

Peptides

Insulin A chain: ACEGIK
Insulin B chain: BDFHJL

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

E
E

G
G

I
I

K
K

B
B

D
D

F
F

H
H

J
J

L
L

Insulin A chain

Insulin B chain