SMTL ID : 7s6c.1

CryoEM structure of modular PKS holo-Lsd14 stalled at the condensation step and bound to antibody fragment 1B2, composite structure

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-2-2-mer

Ligands

1 x ATR: 2'-MONOPHOSPHOADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ATR.1: 21 residues within 4Å: Chain C: G.1201, T.1203, G.1204, G.1205, L.1206, G.1207, V.1225, S.1226, R.1227, R.1228, G.1229, A.1232, C.1254, D.1255, V.1256, A.1257, A.1283, A.1284, V.1285, R.1304, V.1305 14 PLIP interactions: 14 interactions with chain C Hydrogen bonds: C:T.1203, C:T.1203, C:G.1205, C:L.1206, C:R.1227, C:R.1227, C:R.1228, C:G.1229, C:D.1255, C:V.1256, C:A.1284 Salt bridges: C:R.1227, C:R.1228 pi-Cation interactions: C:R.1227

1 x PNS: 4'-PHOSPHOPANTETHEINE(Covalent)

PNS.2: 20 residues within 4Å: Chain B: C.204, F.243, Q.246, R.247, G.248, W.267, S.308, A.309, P.310, H.339, T.341, T.343, L.345, G.346, H.379, F.444, G.445, I.446 Chain D: D.1519, S.1520 7 PLIP interactions: 6 interactions with chain B, 1 interactions with chain D Hydrophobic interactions: B:Q.246 Hydrogen bonds: B:S.308, B:S.308, B:S.308, B:T.341, B:F.444, D:S.1520

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bagde, S.R. et al., Modular polyketide synthase contains two reaction chambers that operate asynchronously. Science (2021)

Release Date

2021-11-03

Peptides

6-deoxyerythronolide-B synthase EryA2, modules 3 and 4, Lsd14 Polyketide synthase fusion: ABCD
Fab 1B2 heavy chain: EH
Fab 1B2 light chain: FG

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

H
H

F
F

G
G

6-deoxyerythronolide-B synthase EryA2, modules 3 and 4, Lsd14 Polyketide synthase fusion

Fab 1B2 heavy chain

Fab 1B2 light chain

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