9UP2 | pdb_00009up2

PvdL-E2-C3-A3-PCP3 in complex with MLP (NRPS cross-module)

• PDB DOI: https://doi.org/10.2210/pdb9UP2/pdb
• EM Map EMD-64387: EMDB EMDataResource

• Classification: BIOSYNTHETIC PROTEIN
• Organism(s): Pseudomonas aeruginosa PAO1
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-04-27 Released: 2026-04-01 
• Deposition Author(s): Cao, W., Wang, J., Wang, Z.
• Funding Organization(s): National Science Foundation (NSF, China)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.33 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Analysis of heterocycle formation and stereochemical control by a non-ribosomal peptide synthetase condensation domain

Cao, W., Wang, J., Chen, S.L., Li, D., Wang, X., Deng, Z., Liang, J., Wang, Z.

(2026) Nat Synth 

• DOI: https://doi.org/10.1038/s44160-026-01014-7

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 180.56 kDa 
• Atom Count: 12,720 
• Modeled Residue Count: 1,597 
• Deposited Residue Count: 1,597 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PvdL	A	1,536	Pseudomonas aeruginosa PAO1	Mutation(s): 0  Gene Names: pvdL, PA2424
UniProt
Find proteins for Q9I157 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9I157  Go to UniProtKB:  Q9I157

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
MbtH-like domain-containing protein	B	61	Pseudomonas aeruginosa PAO1	Mutation(s): 0  Gene Names: PA2412
UniProt
Find proteins for Q9I169 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9I169  Go to UniProtKB:  Q9I169

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ATP (Subject of Investigation/LOI)	D [auth A]	ADENOSINE-5'-TRIPHOSPHATE C10 H16 N5 O13 P3 ZKHQWZAMYRWXGA-KQYNXXCUSA-N
DAB	C [auth A], E [auth A]	2,4-DIAMINOBUTYRIC ACID C4 H10 N2 O2 OGNSCSPNOLGXSM-VKHMYHEASA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
4HH	A	L-PEPTIDE LINKING	C14 H28 N3 O9 P S		SER

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.33 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-04-01 
Deposition Author(s): Cao, W., Wang, J., Wang, Z.

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Funding Organization	Location	Grant Number
National Science Foundation (NSF, China)	China	2021YFA0910500

Revision History  

• Version 1.0: 2026-04-01
  Type: Initial release