9GRB | pdb_00009grb

Crystal structure of mouse Carboxylesterase 2b (Ces2b)

PDB DOI: https://doi.org/10.2210/pdb9GRB/pdb

Classification: HYDROLASE
Organism(s): Mus musculus
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2024-09-11 Released: 2025-09-24
Deposition Author(s): Rammer, L., Eisner, H., Sagmeister, T., Oberer, M.
Funding Organization(s): Austrian Science Fund

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.55 Å
R-Value Free:
0.205 (Depositor), 0.205 (DCC)
R-Value Work:
0.171 (Depositor), 0.171 (DCC)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

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

Literature

Crystal structure of mouse Carboxylesterase 2 (Ces2b)

Rammer, L., Eisner, H., Sagmeister, T., Riegler-Berket, L., Rodriguez Gamez, C., Chalhoub, G., Liesinger, L., Birner-Gruenberger, R., Haemmerle, G., Schoiswohl, G., Pavkov-Keller, T., Oberer, M.

To be published.

Macromolecule Content

Total Structure Weight: 233.62 kDa
Atom Count: 16,874
Modeled Residue Count: 2,077
Deposited Residue Count: 2,092
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carboxylic ester hydrolase	A [auth D], B [auth A], C [auth B], D [auth C]	523	Mus musculus	Mutation(s): 0 Gene Names: Ces2b, BC015286 EC: 3.1.1
UniProt
Find proteins for Q6PDB7 (Mus musculus) Explore Q6PDB7 Go to UniProtKB: Q6PDB7
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q6PDB7
Sequence Annotations Expand
Reference Sequence

Oligosaccharides

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose	E [auth G], F [auth E]	2		N/A	Interactions Focus chain E [auth G] Focus chain F [auth E] Interactions & Density Focus chain E [auth G] Focus chain F [auth E]
Glycosylation Resources
GlyTouCan: G86851RC GlyCosmos: G86851RC GlyGen: G86851RC

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
NAG Query on NAG Download Ideal Coordinates CCD File SDF format, chain G [auth C] MOL2 format, chain G [auth C] mmCIF format, chain G [auth C]	G [auth C]	2-acetamido-2-deoxy-beta-D-glucopyranose C₈ H₁₅ N O₆ OVRNDRQMDRJTHS-FMDGEEDCSA-N		Interactions Focus chain G [auth C] Interactions & Density Focus chain G [auth C]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.55 Å
R-Value Free: 0.205 (Depositor), 0.205 (DCC)
R-Value Work: 0.171 (Depositor), 0.171 (DCC)

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 180.75	α = 90
b = 109.801	β = 92.886
c = 135.435	γ = 90

Software Package:

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

Structure Validation

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Ligand Structure Quality Assessment

Entry History & Funding Information

Deposition Data

Released Date: 2025-09-24

Deposition Author(s):

Funding Organization	Location	Grant Number
Austrian Science Fund	Austria	DOI: 10.55776/DOC50
Austrian Science Fund	Austria	DOI: 10.55776/F73

Revision History (Full details and data files)

Version 1.0: 2025-09-24
Type: Initial release

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.