9JNF | pdb_00009jnf

Crystal Structure of SME-1 E166A mutant in complex with Ertapenem

PDB DOI: https://doi.org/10.2210/pdb9JNF/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: 2.32 Å
R-Value Free:
0.280 (Depositor), 0.281 (DCC)
R-Value Work:
0.183 (Depositor), 0.184 (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 in complex with Ertapenem

Dhankhar, K., Hazra, S.

To be published.

Macromolecule Content

Total Structure Weight: 61.96 kDa
Atom Count: 4,301
Modeled Residue Count: 534
Deposited Residue Count: 550
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 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
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
2RG (Subject of Investigation/LOI) Query on 2RG Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain E [auth B] MOL2 format, chain C [auth A] MOL2 format, chain E [auth B] mmCIF format, chain C [auth A] mmCIF format, chain E [auth B]	C [auth A], E [auth B]	(2S,3R,4S)-4-({(3S,5S)-5-[(3-carboxyphenyl)carbamoyl]pyrrolidin-3-yl}sulfanyl)-2-[(1S,2R)-1-formyl-2-hydroxypropyl]-3-methyl-3,4-dihydro-2H-pyrrole-5-carboxylic acid C₂₂ H₂₇ N₃ O₇ S RALHTEQYPKBGFO-SAGZMZRGSA-N		Interactions Focus chain C [auth A] Focus chain E [auth B] Interactions & Density Focus chain C [auth A] Focus chain E [auth B]
PEG (Subject of Investigation/LOI) Query on PEG Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain F [auth B] MOL2 format, chain D [auth A] MOL2 format, chain F [auth B] mmCIF format, chain D [auth A] mmCIF format, chain F [auth B]	D [auth A], F [auth B]	DI(HYDROXYETHYL)ETHER C₄ H₁₀ O₃ MTHSVFCYNBDYFN-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain F [auth B] Interactions & Density Focus chain D [auth A] Focus chain F [auth B]
EDO (Subject of Investigation/LOI) Query on EDO 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]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain G [auth B] Interactions & Density Focus chain G [auth B]
CL (Subject of Investigation/LOI) Query on CL 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]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain H [auth B] Interactions & Density Focus chain H [auth B]