27CJ | pdb_000027cj

Crystal structure of Cysteine-dependent hydrolase (CsdH) from Rhodococcus opacus in complex with degradation products of diethyl phthalate

PDB DOI: https://doi.org/10.2210/pdb27CJ/pdb

Classification: HYDROLASE
Organism(s): Rhodococcus opacus
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2026-05-26 Released: 2026-06-10
Deposition Author(s): Aggarwal, S., Singh, S., Aggarwal, D., Sharma, A.K., Kumar, P.
Funding Organization(s): Department of Biotechnology (DBT, India)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.90 Å
R-Value Free:
0.263 (Depositor), 0.266 (DCC)
R-Value Work:
0.239 (Depositor), 0.238 (DCC)

Starting Model: in silico
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Ligand Structure Quality Assessment

This is version 1.1 of the entry. See complete history.

Literature

Crystal structure of Cysteine-dependent hydrolase (CsdH) from Rhodococcus opacus in complex with degradation products of diethyl phthalate

Aggarwal, S., Singh, S., Aggarwal, D., Sharma, A.K., Kumar, P.

To be published.

Macromolecule Content

Total Structure Weight: 95.38 kDa
Atom Count: 6,628
Modeled Residue Count: 869
Deposited Residue Count: 884
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
N-carbamoylsarcosine amidohydrolase	A, B, C, D	221	Rhodococcus opacus	Mutation(s): 0 Gene Names: O4328_29535
UniProt
Find proteins for A0ABT4NK74 (Rhodococcus opacus) Explore A0ABT4NK74 Go to UniProtKB: A0ABT4NK74
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0ABT4NK74
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
PHT (Subject of Investigation/LOI) Query on PHT Download:Ideal Coordinates CCD File SDF format, chain E [auth A] MOL2 format, chain E [auth A] mmCIF format, chain E [auth A]	E [auth A]	PHTHALIC ACID C₈ H₆ O₄ XNGIFLGASWRNHJ-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Interactions & Density Focus chain E [auth A]
EOH (Subject of Investigation/LOI) Query on EOH Download:Ideal Coordinates CCD File SDF format, chain F [auth B] MOL2 format, chain F [auth B] mmCIF format, chain F [auth B]	F [auth B]	ETHANOL C₂ H₆ O LFQSCWFLJHTTHZ-UHFFFAOYSA-N		Interactions Focus chain F [auth B] Interactions & Density Focus chain F [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.90 Å
R-Value Free: 0.263 (Depositor), 0.266 (DCC)
R-Value Work: 0.239 (Depositor), 0.238 (DCC)

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.708	α = 90
b = 137.45	β = 90
c = 190.309	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
CrysalisPro	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-06-10

Deposition Author(s):

Funding Organization	Location	Grant Number
Department of Biotechnology (DBT, India)	India	--

Revision History (Full details and data files)

Version 1.0: 2026-06-10
Type: Initial release
Version 1.1: 2026-09-02
Changes: Database references, Structure summary

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.