33CV | pdb_000033cv

Chlororaphen Synthase from Pseudomonas chlororaphis (Pc-ChloS) in complex with prechlororaphen thiolopyrophosphate (a-PCSPP)

PDB DOI: https://doi.org/10.2210/pdb33CV/pdb

Classification: LYASE
Organism(s): Pseudomonas chlororaphis
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2026-08-10 Released: 2026-09-30
Deposition Author(s): Yang, K., Groll, M., Dickschat, J.S.
Funding Organization(s): German Research Foundation (DFG)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.90 Å
R-Value Free:
0.222 (Depositor), 0.230 (DCC)
R-Value Work:
0.184 (Depositor), 0.192 (DCC)
R-Value Observed:
0.186 (Depositor)

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

Structural Basis of Cyclized C17 Precursor Recognition and Product Formation in Chlororaphen and Grimophan Biosynthesis

Yang, K., Groll, M., Dickschat, J.S.

(2026) J Am Chem Soc

DOI: https://doi.org/10.1021/jacs.6c17074

Macromolecule Content

Total Structure Weight: 79.15 kDa
Atom Count: 5,449
Modeled Residue Count: 634
Deposited Residue Count: 678
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ChloS	A, B	339	Pseudomonas chlororaphis	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 8 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1KN5 (Subject of Investigation/LOI) Query on A1KN5 Download:Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain P [auth B] MOL2 format, chain F [auth A] MOL2 format, chain P [auth B] mmCIF format, chain F [auth A] mmCIF format, chain P [auth B]	F [auth A], P [auth B]	Prechlororaphen thiolopyrophosphate C₁₇ H₃₂ O₆ P₂ S RXPAJCUBXSGOCG-PQLSEBNVSA-N		Interactions Focus chain F [auth A] Focus chain P [auth B] Interactions & Density Focus chain F [auth A] Focus chain P [auth B]
TRS Query on TRS Download:Ideal Coordinates CCD File SDF format, chain U [auth B] MOL2 format, chain U [auth B] mmCIF format, chain U [auth B]	U [auth B]	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C₄ H₁₂ N O₃ LENZDBCJOHFCAS-UHFFFAOYSA-O		Interactions Focus chain U [auth B] Interactions & Density Focus chain U [auth B]
PEG Query on PEG Download:Ideal Coordinates CCD File SDF format, chain G [auth A] MOL2 format, chain G [auth A] mmCIF format, chain G [auth A]	G [auth A]	DI(HYDROXYETHYL)ETHER C₄ H₁₀ O₃ MTHSVFCYNBDYFN-UHFFFAOYSA-N		Interactions Focus chain G [auth A] Interactions & Density Focus chain G [auth A]
BU3 Query on BU3 Download:Ideal Coordinates CCD File SDF format, chain H [auth A] SDF format, chain I [auth A] SDF format, chain J [auth A] MOL2 format, chain H [auth A] MOL2 format, chain I [auth A] MOL2 format, chain J [auth A] mmCIF format, chain H [auth A] mmCIF format, chain I [auth A] mmCIF format, chain J [auth A]	H [auth A], I [auth A], J [auth A]	(R,R)-2,3-BUTANEDIOL C₄ H₁₀ O₂ OWBTYPJTUOEWEK-QWWZWVQMSA-N		Interactions Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Interactions & Density Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A]
EDO Query on EDO Download:Ideal Coordinates CCD File SDF format, chain K [auth A] SDF format, chain Q [auth B] SDF format, chain R [auth B] SDF format, chain S [auth B] SDF format, chain T [auth B] MOL2 format, chain K [auth A] MOL2 format, chain Q [auth B] MOL2 format, chain R [auth B] MOL2 format, chain S [auth B] MOL2 format, chain T [auth B] mmCIF format, chain K [auth A] mmCIF format, chain Q [auth B] mmCIF format, chain R [auth B] mmCIF format, chain S [auth B] mmCIF format, chain T [auth B]	K [auth A], Q [auth B], R [auth B], S [auth B], T [auth B]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain K [auth A] Focus chain Q [auth B] Focus chain R [auth B] Focus chain S [auth B] Focus chain T [auth B] Interactions & Density Focus chain K [auth A] Focus chain Q [auth B] Focus chain R [auth B] Focus chain S [auth B] Focus chain T [auth B]
ACT Query on ACT Download:Ideal Coordinates CCD File SDF format, chain L [auth A] SDF format, chain V [auth B] MOL2 format, chain L [auth A] MOL2 format, chain V [auth B] mmCIF format, chain L [auth A] mmCIF format, chain V [auth B]	L [auth A], V [auth B]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain L [auth A] Focus chain V [auth B] Interactions & Density Focus chain L [auth A] Focus chain V [auth B]
MG (Subject of Investigation/LOI) Query on MG Download:Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain M [auth B] SDF format, chain N [auth B] SDF format, chain O [auth B] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain M [auth B] MOL2 format, chain N [auth B] MOL2 format, chain O [auth B] mmCIF format, chain C [auth A] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A] mmCIF format, chain M [auth B] mmCIF format, chain N [auth B] mmCIF format, chain O [auth B]	C [auth A] D [auth A] E [auth A] M [auth B] N [auth B] C [auth A], D [auth A], E [auth A], M [auth B], N [auth B], O [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain M [auth B] Focus chain N [auth B] Focus chain O [auth B] Interactions & Density Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain M [auth B] Focus chain N [auth B] Focus chain O [auth B]
NA Query on NA Download:Ideal Coordinates CCD File SDF format, chain W [auth B] MOL2 format, chain W [auth B] mmCIF format, chain W [auth B]	W [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N		Interactions Focus chain W [auth B] Interactions & Density Focus chain W [auth B]