SMTL ID : 7w01.1

Cryo-EM structure of nucleotide-free ABCA3

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

monomer

Ligands

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

NAG.1: 1 residues within 4Å: Chain A: N.145 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.145 NAG.2: 2 residues within 4Å: Chain A: N.161, H.162 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.161, A:H.162

2 x PX4: 1,2-DIMYRISTOYL-SN-GLYCERO-3-PHOSPHOCHOLINE(Non-covalent)

PX4.3: 9 residues within 4Å: Chain A: M.384, F.388, F.389, S.390, M.394, K.945, A.948, V.953 Ligands: PX4.4 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:F.388, A:K.945, A:A.948, A:V.953 Hydrogen bonds: A:S.390, A:K.391 PX4.4: 15 residues within 4Å: Chain A: K.391, N.393, M.394, F.398, F.401, E.943, K.945, M.946, A.949, I.1138, A.1227, A.1228, Y.1231, T.1232 Ligands: PX4.3 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:F.398, A:F.401, A:K.945 Salt bridges: A:K.391

3 x POV: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate(Non-covalent)

POV.5: 5 residues within 4Å: Chain A: N.393, A.397, T.1229, T.1232, R.1233 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:A.397 POV.6: 3 residues within 4Å: Chain A: Y.294, R.1233, L.1240 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:L.1240 POV.7: 4 residues within 4Å: Chain A: M.1220, F.1223, T.1229, R.1233 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.1223, A:F.1223, A:T.1229

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xie, T. et al., Cryo-EM structures of the human surfactant lipid transporter ABCA3. Sci Adv (2022)

Release Date

2022-04-27

Peptides

Phospholipid-transporting ATPase ABCA3: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Membrane

We predict this structure to be a membrane protein.
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Phospholipid-transporting ATPase ABCA3