SMTL ID : 7e4z.1

Crystal structure of tubulin in complex with Maytansinol

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.69 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, L.70, 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 B: Q.245, K.252 Ligands: MG.2 29 PLIP interactions: 4 interactions with chain B, 25 interactions with chain A Water bridges: B:K.252, B:K.252, B:K.252, A:Q.11, A:Q.11, A:G.13, A:F.141, A:G.142 Salt bridges: B:K.252 Hydrogen bonds: A:Q.11, A:A.12, A:Q.15, A:D.98, A:D.98, A:A.99, A:A.100, A:N.101, A:S.140, A:G.144, A:T.145, 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 GTP.12: 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.13 26 PLIP interactions: 21 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.144, C:T.145, C:T.145, C:G.146, C:N.206, C:N.206, C:Y.224, C:N.228, C:N.228 Water bridges: C:G.13, C:F.141, 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.16: 29 residues within 4Å: Chain D: G.10, Q.11, C.12, Q.15, I.16, A.97, G.98, N.99, N.100, S.138, G.140, G.141, G.142, T.143, G.144, S.145, V.169, P.171, S.172, V.175, S.176, E.181, N.204, L.207, Y.222, L.225, N.226, V.229 Ligands: MG.15 20 PLIP interactions: 20 interactions with chain D Hydrogen bonds: D:Q.11, D:C.12, D:N.99, D:S.138, D:G.142, D:T.143, D:G.144, D:S.176, D:N.204, D:N.204, D:N.226, D:N.226 Water bridges: D:G.13, D:S.138, D:G.141, D:T.143, D:T.143, D:S.145 pi-Stacking: D:Y.222, D:Y.222

5 x MG: MAGNESIUM ION(Non-covalent)(Non-functional Binders)

MG.2: 6 residues within 4Å: Chain A: Q.11, D.69, E.71, D.98 Chain B: K.252 Ligands: GTP.1 No protein-ligand interaction detected (PLIP) MG.7: 3 residues within 4Å: Chain B: Q.11, D.177 Ligands: GDP.6 No protein-ligand interaction detected (PLIP) MG.11: 1 residues within 4Å: Chain B: D.114 No protein-ligand interaction detected (PLIP) MG.13: 6 residues within 4Å: Chain C: Q.11, D.69, E.71, D.98 Chain D: K.252 Ligands: GTP.12 No protein-ligand interaction detected (PLIP) MG.15: 2 residues within 4Å: Chain D: Q.11 Ligands: GTP.16 No protein-ligand interaction detected (PLIP)

4 x CA: CALCIUM ION(Non-covalent)

CA.3: 8 residues within 4Å: Chain A: D.39, T.41, G.44, G.45, F.49, N.50, E.55, H.61 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.39, A:D.39, A:G.44, A:E.55, A:E.55 CA.8: 1 residues within 4Å: Chain B: E.111 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:E.111 CA.14: 7 residues within 4Å: Chain C: D.39, T.41, G.44, G.45, F.49, E.55, H.61 5 PLIP interactions: 4 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:D.39, C:T.41, C:T.41, C:E.55, H2O.7 CA.18: 3 residues within 4Å: Chain A: E.196, H.197 Chain E: D.39 No protein-ligand interaction detected (PLIP)

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

CL.4: 4 residues within 4Å: Chain A: Y.161, G.162, K.163, K.164 Ligand excluded by PLIP

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

MES.5: 11 residues within 4Å: Chain A: E.97, R.105, T.109, I.110, G.410, E.411 Chain B: D.161, R.162, R.251 Chain E: R.56 Ligands: MES.9 6 PLIP interactions: 2 interactions with chain B, 4 interactions with chain A Hydrogen bonds: B:D.161, A:E.97, A:R.105 Salt bridges: B:R.162, A:R.105, A:E.411 MES.9: 13 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 Ligands: MES.5 2 PLIP interactions: 2 interactions with chain B Salt bridges: B:D.197, B:R.251 MES.10: 11 residues within 4Å: Chain B: F.294, D.295, S.296, D.304, P.305, R.306, Y.310, V.333, N.337, Y.340, F.341 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:F.294, B:S.296, B:S.296 Salt bridges: B:R.306

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

GDP.6: 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.7 24 PLIP interactions: 24 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:E.181, B:N.204, B:N.204, B:N.226, B:N.226 Water bridges: B:Q.11, B:G.13, B:E.69, B:G.140, B:G.140, B:T.143, B:S.145, B:S.145, B:D.177 pi-Stacking: B:Y.222, B:Y.222

1 x BKL: (1R,2S,3S,5S,6S,16E,18E,20R,21S)-11-chloro-6,21-dihydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-4,24-dioxa-9,22-diazatetracyclo[19.3.1.1~10,14~.0~3,5~]hexacosa-10(26),11,13,16,18-pentaene-8,23-dione(Non-covalent)

BKL.17: 11 residues within 4Å: Chain D: G.98, N.99, N.100, K.103, D.177, T.178, V.179, V.180, F.394, W.397, Y.398 8 PLIP interactions: 8 interactions with chain D Hydrophobic interactions: D:V.179, D:F.394, D:W.397, D:W.397 Hydrogen bonds: D:G.98, D:N.100, D:K.103, D:V.179

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

ACP.19: 19 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, H.239, L.240, T.241, N.242, M.320, I.330, E.331, N.333 13 PLIP interactions: 13 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:T.241, F:T.241, F:T.241, F:E.331, F:N.333 Salt bridges: F:K.74, F:K.150

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, W. et al., C3 ester side chain plays a pivotal role in the antitumor activity of Maytansinoids. Biochem.Biophys.Res.Commun. (2021)

Release Date

2021-07-07

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

Related Entries With Identical Sequence