SMTL ID : 8wx4.1

Cryo-EM structure of human SLC15A4 in complex with Lys-Leu (outward-facing open)

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

2 x LYS: LYSINE(Non-covalent)

LYS.1: 9 residues within 4Å: Chain A: Y.52, Y.199, I.202, N.203, Q.339, T.370, D.373, E.465 Ligands: LEU.2 6 PLIP interactions: 5 interactions with chain A, 1 Ligand-Ligand interactions Hydrogen bonds: A:N.203, A:Q.339, A:T.370, A:D.373, A:E.465, L.2 LYS.3: 9 residues within 4Å: Chain B: Y.52, Y.199, I.202, N.203, Q.339, T.370, D.373, E.465 Ligands: LEU.4 6 PLIP interactions: 5 interactions with chain B, 1 Ligand-Ligand interactions Hydrogen bonds: B:N.203, B:Q.339, B:T.370, B:D.373, B:E.465, L.4

2 x LEU: LEUCINE(Non-covalent)

LEU.2: 8 residues within 4Å: Chain A: R.48, Y.52, K.172, Y.199, I.202, W.332, Y.335 Ligands: LYS.1 9 PLIP interactions: 7 interactions with chain A, 2 Ligand-Ligand interactions Hydrophobic interactions: A:W.332 Hydrogen bonds: A:Y.52, A:Y.199, A:Y.335, A:Y.335, K.1, L.2 Salt bridges: A:R.48, A:K.172 LEU.4: 8 residues within 4Å: Chain B: R.48, Y.52, K.172, Y.199, I.202, W.332, Y.335 Ligands: LYS.3 9 PLIP interactions: 7 interactions with chain B, 2 Ligand-Ligand interactions Hydrophobic interactions: B:W.332 Hydrogen bonds: B:Y.52, B:Y.199, B:Y.335, B:Y.335, K.3, L.4 Salt bridges: B:R.48, B:K.172

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhang, Z. et al., The structures of the peptide transporters SLC15A3 and SLC15A4 reveal the recognition mechanisms for substrate and TASL. Structure (2025)

Release Date

2023-12-13

Peptides

Solute carrier family 15 member 4: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
A

Membrane

We predict this structure to be a membrane protein.
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Solute carrier family 15 member 4

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