9JNG | pdb_00009jng

Crystal Structure of SME-1 E166A mutant with Tebipenem

PDB DOI: https://doi.org/10.2210/pdb9JNG/pdb

Classification: HYDROLASE
Organism(s): Serratia marcescens
Expression System: Escherichia coli BL21(DE3)
Mutation(s): Yes

Deposited: 2024-09-23 Released: 2025-10-01
Deposition Author(s): Dhankhar, K., Hazra, S.
Funding Organization(s): Indian Council of Medical Research, Board of Research in Nuclear Sciences (BRNS)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.26 Å
R-Value Free:
0.270 (Depositor), 0.272 (DCC)
R-Value Work:
0.179 (Depositor), 0.181 (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 SME-1 E166A mutant with Tebipenem

Dhankhar, K., Hazra, S.

To be published.

Macromolecule Content

Total Structure Weight: 61.81 kDa
Atom Count: 4,339
Modeled Residue Count: 534
Deposited Residue Count: 550
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
beta-lactamase	A, B	275	Serratia marcescens	Mutation(s): 1 Gene Names: sme-2, blaSME-1, blaSME-4, blaSME1, SME12620_22 EC: 3.5.2.6
UniProt
Find proteins for P52682 (Serratia marcescens) Explore P52682 Go to UniProtKB: P52682
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P52682
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
DGE (Subject of Investigation/LOI) Query on DGE Download:Ideal Coordinates CCD File SDF format, chain I [auth B] SDF format, chain D [auth A] MOL2 format, chain I [auth B] MOL2 format, chain D [auth A] mmCIF format, chain I [auth B] mmCIF format, chain D [auth A]	D [auth A], I [auth B]	(2S,3R,4S)-4-{[1-(4,5-dihydro-1,3-thiazol-2-yl)azetidin-3-yl]sulfanyl}-2-[(2S,3R)-3-hydroxy-1-oxobutan-2-yl]-3-methyl-3,4-dihydro-2H-pyrrole-5-carboxylic acid C₁₆ H₂₃ N₃ O₄ S₂ PNZUSXYFVQNLMP-ORMWDYAWSA-N		Interactions Focus chain D [auth A] Focus chain I [auth B] Interactions & Density Focus chain D [auth A] Focus chain I [auth B]
PEG (Subject of Investigation/LOI) Query on PEG Download:Ideal Coordinates CCD File SDF format, chain G [auth B] SDF format, chain C [auth A] MOL2 format, chain G [auth B] MOL2 format, chain C [auth A] mmCIF format, chain G [auth B] mmCIF format, chain C [auth A]	C [auth A], G [auth B]	DI(HYDROXYETHYL)ETHER C₄ H₁₀ O₃ MTHSVFCYNBDYFN-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain G [auth B] Interactions & Density Focus chain C [auth A] Focus chain G [auth B]
EDO (Subject of Investigation/LOI) Query on EDO Download:Ideal Coordinates CCD File SDF format, chain H [auth B] MOL2 format, chain H [auth B] mmCIF format, chain H [auth B]	H [auth B]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain H [auth B] Interactions & Density Focus chain H [auth B]
CL (Subject of Investigation/LOI) Query on CL 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]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain E [auth A] Focus chain F [auth A] Interactions & Density Focus chain E [auth A] Focus chain F [auth A]