SMTL ID : 9mir.1

CryoEM structure of ALK3-ActRIIB bound to BMP6

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-2-2-mer

Ligands

4 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.1: 7 residues within 4Å: Chain A: D.46, D.47 Chain C: C.3, H.43, N.45, A.100, C.101 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.46, A:D.46 NAG-NAG-BMA.2: 7 residues within 4Å: Chain D: W.45, N.47, I.52, Y.82, F.95, H.97, L.98 No protein-ligand interaction detected (PLIP) NAG-NAG-BMA.4: 6 residues within 4Å: Chain B: D.46 Chain E: C.3, H.43, N.45, A.100, C.101 No protein-ligand interaction detected (PLIP) NAG-NAG-BMA.5: 7 residues within 4Å: Chain F: W.45, N.47, I.52, Y.82, F.95, H.97, L.98 No protein-ligand interaction detected (PLIP)

2 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.3: 1 residues within 4Å: Chain D: N.24 No protein-ligand interaction detected (PLIP) NAG-NAG.6: 1 residues within 4Å: Chain F: N.24 No protein-ligand interaction detected (PLIP)

2 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.7: 2 residues within 4Å: Chain A: I.49, N.50 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:I.49 Hydrogen bonds: A:N.50 NAG.8: 2 residues within 4Å: Chain B: I.49, N.50 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:I.49 Hydrogen bonds: B:N.50

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Goebel, E.J. et al., CryoEM structure of ALK2:BMP6 reveals distinct mechanism that allow ALK2 to interact with both BMP and activin ligands. Proc.Natl.Acad.Sci.USA (2025)

Release Date

2025-09-03

Peptides

receptor protein serine/threonine kinase: AB
Bone Morphogenetic Protein 6 (BMP6): CE
ActRIIB: DF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

C
E

E
B

D
F

F
A

receptor protein serine/threonine kinase

Bone Morphogenetic Protein 6 (BMP6)

ActRIIB

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