SMTL ID : 7e4y.1

Crystal structure of tubulin in complex with L-DM4-SMe

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.71 Å

Oligo State

hetero-2-2-1-1-mer

Ligands

3 x GTP: GUANOSINE-5'-TRIPHOSPHATE(Non-covalent)

GTP.1: 32 residues within 4Å: Chain A: G.10, Q.11, A.12, Q.15, I.16, D.69, D.98, A.99, A.100, N.101, N.102, S.140, G.142, G.143, G.144, T.145, G.146, I.171, P.173, A.174, V.177, S.178, T.179, E.183, N.206, I.209, Y.224, L.227, N.228, I.231 Chain B: K.252 Ligands: MG.2 22 PLIP interactions: 19 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:Q.11, A:Q.11, A:A.12, A:Q.15, A:A.99, A:A.99, A:N.101, A:S.140, A:G.143, A:G.144, A:T.145, A:G.146, A:N.206, A:N.206, A:Y.224, A:N.228, A:N.228 pi-Stacking: A:Y.224, A:Y.224 Water bridges: B:K.252, B:K.252 Salt bridges: B:K.252 GTP.7: 30 residues within 4Å: Chain C: G.10, Q.11, A.12, Q.15, I.16, D.69, D.98, A.99, A.100, N.101, S.140, G.142, G.143, G.144, T.145, G.146, I.171, P.173, A.174, V.177, S.178, T.179, E.183, N.206, Y.224, L.227, N.228, I.231 Chain D: K.252 Ligands: MG.8 27 PLIP interactions: 22 interactions with chain C, 5 interactions with chain D Hydrogen bonds: C:Q.11, C:Q.11, C:A.12, C:Q.15, C:A.99, C:A.100, C:N.101, C:S.140, C:G.143, C:G.144, C:T.145, C:G.146, C:N.206, C:N.206, C:Y.224, C:N.228, C:N.228 Water bridges: C:E.71, C:T.145, C:T.145, D:K.252, D:K.252, D:K.252, D:K.252 pi-Stacking: C:Y.224, C:Y.224 Salt bridges: D:K.252 GTP.10: 26 residues within 4Å: Chain D: G.10, Q.11, C.12, Q.15, I.16, A.97, G.98, N.99, N.100, G.140, G.141, G.142, T.143, G.144, V.169, P.171, V.175, S.176, E.181, N.204, L.207, Y.222, L.225, N.226, V.229 Ligands: MG.12 20 PLIP interactions: 20 interactions with chain D Hydrogen bonds: D:Q.11, D:Q.11, D:C.12, D:A.97, D:N.99, D:N.99, D:G.142, D:T.143, D:G.144, D:S.176, D:E.181, D:N.204, D:N.226, D:N.226, D:N.226 Water bridges: D:E.69, D:T.72, D:T.143 pi-Stacking: D:Y.222, D:Y.222

5 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: Q.11, D.98 Chain B: K.252 Ligands: GTP.1 No protein-ligand interaction detected (PLIP) MG.5: 3 residues within 4Å: Chain B: Q.11, D.177 Ligands: GDP.4 No protein-ligand interaction detected (PLIP) MG.8: 4 residues within 4Å: Chain C: Q.11, E.71 Chain D: K.252 Ligands: GTP.7 No protein-ligand interaction detected (PLIP) MG.12: 3 residues within 4Å: Chain D: Q.11, E.69 Ligands: GTP.10 4 PLIP interactions: 1 interactions with chain D, 3 Ligand-Water interactions Metal complexes: D:E.69, H2O.5, H2O.5, H2O.5 MG.13: 4 residues within 4Å: Chain F: K.74, E.331, N.333 Ligands: ACP.14 2 PLIP interactions: 2 interactions with chain F Metal complexes: F:E.331, F:E.331

2 x CA: CALCIUM ION(Non-covalent)

CA.3: 7 residues within 4Å: Chain A: D.39, T.41, G.44, G.45, F.49, N.50, E.55 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.39, A:D.39, A:T.41, A:G.44, A:E.55 CA.9: 6 residues within 4Å: Chain C: D.39, T.41, G.44, G.45, F.49, E.55 5 PLIP interactions: 5 interactions with chain C Metal complexes: C:D.39, C:D.39, C:T.41, C:G.44, C:E.55

1 x GDP: GUANOSINE-5'-DIPHOSPHATE(Non-covalent)

GDP.4: 28 residues within 4Å: Chain B: G.10, Q.11, C.12, Q.15, I.16, A.97, N.99, S.138, G.140, G.141, G.142, T.143, G.144, S.145, V.169, P.171, S.172, V.175, S.176, D.177, E.181, N.204, L.207, Y.222, L.225, N.226, V.229 Ligands: MG.5 19 PLIP interactions: 19 interactions with chain B Hydrogen bonds: B:Q.11, B:C.12, B:S.138, B:G.142, B:T.143, B:T.143, B:G.144, B:V.175, B:D.177, B:E.181, B:N.204, B:N.204, B:N.226, B:N.226 Water bridges: B:G.13, B:G.141, B:S.145 pi-Stacking: B:Y.222, B:Y.222

1 x MES: 2-(N-MORPHOLINO)-ETHANESULFONIC ACID(Non-covalent)

MES.6: 12 residues within 4Å: Chain A: W.407 Chain B: R.156, P.160, D.161, R.162, I.163, M.164, E.194, N.195, T.196, D.197, R.251 2 PLIP interactions: 2 interactions with chain B Salt bridges: B:D.197, B:R.251

1 x BKU: (1S,2S,3S,5R,6S,16E,18E,20S,21R)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.1~10,14~.0~3,5~]hexacosa-10(26),11,13,16,18-pentaen-6-yl (2S)-2-{methyl[3-methyl-3-(methyldisulfanyl)butanoyl]amino}propanoate (non-preferred name)(Non-covalent)

BKU.11: 12 residues within 4Å: Chain D: A.97, G.98, N.99, N.100, K.103, D.177, T.178, V.179, V.180, F.394, W.397, Y.398 7 PLIP interactions: 7 interactions with chain D Hydrophobic interactions: D:N.100, D:V.179, D:V.180, D:F.394 Hydrogen bonds: D:N.100, D:K.103, D:V.179

1 x ACP: PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER(Non-covalent)

ACP.14: 23 residues within 4Å: Chain F: K.74, P.95, I.148, K.150, I.160, Q.183, K.184, Y.185, L.186, K.198, D.200, R.202, R.222, H.239, L.240, T.241, N.242, D.318, M.320, I.330, E.331, N.333 Ligands: MG.13 15 PLIP interactions: 15 interactions with chain F Hydrogen bonds: F:K.74, F:K.150, F:K.184, F:L.186, F:K.198, F:D.200, F:R.222, F:R.222, F:T.241, F:N.242, F:N.242, F:N.333, F:N.333 Salt bridges: F:K.74, F:K.150

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wang, Y. et al., C3 Ester Side Chain Plays a Pivotal Role in the Antitumor Activity of Maytansinoids. To Be Published

Release Date

2022-02-23

Peptides

Tubulin alpha-1B chain: AC
Tubulin beta-2B chain: BD
Stathmin-4: E
Tubulin tyrosine ligase: F

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

B
B

D
D

E
E

F
F

Tubulin alpha-1B chain

Tubulin beta-2B chain

Stathmin-4

Tubulin tyrosine ligase

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