SMTL ID : 9gns.1

X-ray structure of Human holo aromatic L-amino acid decarboxylase (AADC) complex with Carbidopa at physiological pH

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.93 Å

Oligo State

homo-dimer

Ligands

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PLP.1: 14 residues within 4Å: Chain A: F.80, S.147, A.148, S.149, H.192, S.194, G.244, T.246, D.271, A.273, N.300, H.302, K.303 Ligands: 142.2 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:A.273 Hydrogen bonds: A:S.147, A:A.148, A:S.149, A:T.246, A:N.300 Water bridges: A:S.147, A:S.149, A:H.192 Salt bridges: A:H.302, A:K.303 pi-Stacking: A:H.192 PLP.4: 14 residues within 4Å: Chain B: F.80, S.147, A.148, S.149, H.192, S.194, G.244, T.246, D.271, A.273, N.300, H.302, K.303 Ligands: 142.5 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:A.273 Hydrogen bonds: B:S.147, B:A.148, B:S.149, B:T.246, B:N.300 Water bridges: B:S.147, B:S.149, B:H.192 Salt bridges: B:H.302, B:K.303 pi-Stacking: B:H.192

2 x 142: CARBIDOPA(Non-covalent)

142.2: 13 residues within 4Å: Chain A: W.71, Y.79, F.80, P.81, T.82, H.192, T.246, H.302, K.303, F.309 Chain B: I.101, F.103 Ligands: PLP.1 12 PLIP interactions: 11 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:W.71, A:W.71, A:Y.79, A:F.80, A:T.246, A:K.303, B:F.103 Hydrogen bonds: A:H.192, A:H.302, A:K.303 Salt bridges: A:H.192 pi-Cation interactions: A:K.303 142.5: 13 residues within 4Å: Chain A: I.101, F.103 Chain B: W.71, Y.79, F.80, P.81, T.82, H.192, T.246, H.302, K.303, F.309 Ligands: PLP.4 13 PLIP interactions: 1 interactions with chain A, 12 interactions with chain B Hydrophobic interactions: A:F.103, B:W.71, B:W.71, B:Y.79, B:F.80, B:T.246, B:K.303 Hydrogen bonds: B:T.82, B:H.192, B:H.302, B:K.303 Salt bridges: B:H.192 pi-Cation interactions: B:K.303

2 x PG4: TETRAETHYLENE GLYCOL(Non-functional Binders)

PG4.3: 7 residues within 4Å: Chain A: K.205, L.206, K.207, R.228, D.229, A.232, L.234 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:K.207, A:R.228 Water bridges: A:L.206 PG4.6: 7 residues within 4Å: Chain B: K.205, L.206, K.207, R.228, D.229, A.232, L.234 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:K.207, B:R.228, B:D.229 Water bridges: B:L.206

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Baine, J.M. et al., alpha-Hydrazino Acids Inhibit Pyridoxal Phosphate-Dependent Decarboxylases via Catalytically Correct Ketoenamine Tautomers: A Special Motif for Chemical Biology and Drug Discovery?. Acs Catalysis (2025)

Release Date

2025-05-14

Peptides

Aromatic-L-amino-acid decarboxylase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Aromatic-L-amino-acid decarboxylase

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