9I2P | pdb_00009i2p

Crystal structure of Listeria monocytogenes ChiA

PDB DOI: https://doi.org/10.2210/pdb9I2P/pdb

Classification: HYDROLASE
Organism(s): Listeria monocytogenes
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-01-21 Released: 2025-12-03
Deposition Author(s): Rehman, S., Garnett, J.A.
Funding Organization(s): Medical Research Council (MRC, United Kingdom)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.95 Å
R-Value Free:
0.226 (Depositor), 0.231 (DCC)
R-Value Work:
0.180 (Depositor), 0.190 (DCC)

Starting Model: in silico
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This is version 1.0 of the entry. See complete history.

Literature

Crystal structure and analysis of Listeria monocytogenes ChiA

Rehman, S., Garnett, J.A.

To be published.

Macromolecule Content

Total Structure Weight: 70.86 kDa
Atom Count: 5,400
Modeled Residue Count: 646
Deposited Residue Count: 646
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
chitinase	A, B	323	Listeria monocytogenes	Mutation(s): 0 Gene Names: lmo1883 EC: 3.2.1.14
UniProt
Find proteins for Q8Y619 (Listeria monocytogenes serovar 1/2a (strain ATCC BAA-679 / EGD-e)) Explore Q8Y619 Go to UniProtKB: Q8Y619
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q8Y619
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
MES Query on MES Download:Ideal Coordinates CCD File SDF format, chain G [auth B] MOL2 format, chain G [auth B] mmCIF format, chain G [auth B]	G [auth B]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C₆ H₁₃ N O₄ S SXGZJKUKBWWHRA-UHFFFAOYSA-N		Interactions Focus chain G [auth B] Interactions & Density Focus chain G [auth B]
GOL Query on GOL Download:Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]
CA Query on CA Download:Ideal Coordinates CCD File SDF format, chain H [auth B] SDF format, chain D [auth A] MOL2 format, chain H [auth B] MOL2 format, chain D [auth A] mmCIF format, chain H [auth B] mmCIF format, chain D [auth A]	D [auth A], H [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain H [auth B] Interactions & Density Focus chain D [auth A] Focus chain H [auth B]
NA Query on NA Download:Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain E [auth A] MOL2 format, chain F [auth A] MOL2 format, chain E [auth A] mmCIF format, chain F [auth A] mmCIF format, chain E [auth A]	E [auth A], F [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Focus chain F [auth A] Interactions & Density Focus chain E [auth A] Focus chain F [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.95 Å
R-Value Free: 0.226 (Depositor), 0.231 (DCC)
R-Value Work: 0.180 (Depositor), 0.190 (DCC)

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.041	α = 94.308
b = 59.146	β = 110.69
c = 67.609	γ = 111.596

Software Package:

Software Name	Purpose
REFMAC	refinement
xia2	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2025-12-03

Deposition Author(s):

Funding Organization	Location	Grant Number
Medical Research Council (MRC, United Kingdom)	United Kingdom	MR/R017662/1

Revision History (Full details and data files)

Version 1.0: 2025-12-03
Type: Initial release

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