SMTL ID : 9m1k.1

Cryo-EM structure of the TBC-DE-Arl2-beta-tubulin complex with GTP

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-1-mer

Ligands

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

GTP.1: 21 residues within 4Å: Chain C: L.24, D.25, N.26, A.27, G.28, K.29, T.30, T.31, I.44, P.46, T.47, G.68, G.69, N.125, K.126, D.128, L.129, S.158, A.159, V.160 Ligands: MG.2 19 PLIP interactions: 19 interactions with chain C Hydrogen bonds: C:L.24, C:N.26, C:A.27, C:G.28, C:K.29, C:T.30, C:T.31, C:T.31, C:T.47, C:V.67, C:G.69, C:N.125, C:K.126, C:K.126, C:A.159, C:V.160 Salt bridges: C:K.29, C:K.29, C:D.128 GTP.3: 21 residues within 4Å: Chain D: G.10, Q.11, C.12, Q.15, A.97, G.98, N.99, S.138, G.140, G.141, G.142, T.143, G.144, P.171, V.175, S.176, E.181, N.204, Y.222, N.226 Ligands: MG.4 16 PLIP interactions: 16 interactions with chain D Hydrogen bonds: D:Q.11, D:C.12, D:G.98, D:N.99, D:N.99, D:N.99, D:S.138, D:G.142, D:T.143, D:T.143, D:G.144, D:E.181, D:N.204, D:N.204, D:N.226, D:N.226

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

MG.2: 4 residues within 4Å: Chain C: T.30, T.47, D.66 Ligands: GTP.1 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:T.30, C:T.47 MG.4: 1 residues within 4Å: Ligands: GTP.3 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Seong, Y.J. et al., Structural dissection of alpha beta-tubulin heterodimer assembly and disassembly by human tubulin-specific chaperones. Science (2025)

Release Date

2025-10-22

Peptides

Tubulin-specific chaperone E: A
Tubulin-specific chaperone D: B
ADP-ribosylation factor-like protein 2: C
Tubulin beta chain: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
D

C
G

D
b

Tubulin-specific chaperone E

Tubulin-specific chaperone D

ADP-ribosylation factor-like protein 2

Tubulin beta chain

Related Entries With Identical Sequence