9TWF | pdb_00009twf

Putative Polyurethane Degrading Amidase Signature Family Amidase in Complex with PMSF

PDB DOI: https://doi.org/10.2210/pdb9TWF/pdb

Classification: HYDROLASE
Organism(s): Chelatococcus composti
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2026-01-14 Released: 2026-09-16
Deposition Author(s): Bicer, D.
Funding Organization(s): Novo Nordisk Foundation

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.89 Å
R-Value Free:
0.228 (Depositor), 0.228 (DCC)
R-Value Work:
0.209 (Depositor), 0.209 (DCC)
R-Value Observed:
0.210 (Depositor)

Starting Model: in silico
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Ligand Structure Quality Assessment

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Literature

Rational Engineering of Polyurethane Degrading Amidase

Graham, R., Paiva, P., Bicer, D.

To be published.

Macromolecule Content

Total Structure Weight: 52.04 kDa
Atom Count: 3,720
Modeled Residue Count: 472
Deposited Residue Count: 490
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Amidase	A [auth B]	490	Chelatococcus composti	Mutation(s): 0 Gene Names: HNQ73_002071 EC: 3.5.1.4
UniProt
Find proteins for A0A841K7K4 (Chelatococcus composti) Explore A0A841K7K4 Go to UniProtKB: A0A841K7K4
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0A841K7K4
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
PMS (Subject of Investigation/LOI) Query on PMS Download:Ideal Coordinates CCD File SDF format, chain B MOL2 format, chain B mmCIF format, chain B	B	phenylmethanesulfonic acid C₇ H₈ O₃ S NIXKBAZVOQAHGC-UHFFFAOYSA-N		Interactions Focus chain B Interactions & Density Focus chain B

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.89 Å
R-Value Free: 0.228 (Depositor), 0.228 (DCC)
R-Value Work: 0.209 (Depositor), 0.209 (DCC)
R-Value Observed: 0.210 (Depositor)

Space Group: P 6₅

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 134.78	α = 90
b = 134.78	β = 90
c = 64.15	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-09-16

Deposition Author(s):

Funding Organization	Location	Grant Number
Novo Nordisk Foundation	Denmark	NNF22OC0072891

Revision History (Full details and data files)

Version 1.0: 2026-09-16
Type: Initial release

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