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9u9t

Serine Beta-Lactamase OXA-48 in complex with Dual MBL/SBL inhibitor FB1-9

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Beta-lactamase OXA-48

Klebsiella pneumoniae

UniProt Q6XEC0

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 7-[1-(2-fluoranylethyl)azetidin-3-yl]oxy-2-oxidanyl-3,4-dihydro-1,2-benzoxaborinine-8-carboxylic acid × 1 water × 1 Consistent with protein count
2 Protein monomer Monomer Protein 1 7-[1-(2-fluoranylethyl)azetidin-3-yl]oxy-2-oxidanyl-3,4-dihydro-1,2-benzoxaborinine-8-carboxylic acid × 1 water × 1 Consistent with protein count
3 Protein monomer Monomer Protein 1 7-[1-(2-fluoranylethyl)azetidin-3-yl]oxy-2-oxidanyl-3,4-dihydro-1,2-benzoxaborinine-8-carboxylic acid × 1 water × 1 Consistent with protein count
4 Protein monomer Monomer Protein 1 7-[1-(2-fluoranylethyl)azetidin-3-yl]oxy-2-oxidanyl-3,4-dihydro-1,2-benzoxaborinine-8-carboxylic acid × 1 water × 1 Consistent with protein count
5 Protein monomer Monomer Protein 1 7-[1-(2-fluoranylethyl)azetidin-3-yl]oxy-2-oxidanyl-3,4-dihydro-1,2-benzoxaborinine-8-carboxylic acid × 1 water × 1 Consistent with protein count
6 Protein monomer Monomer Protein 1 7-[1-(2-fluoranylethyl)azetidin-3-yl]oxy-2-oxidanyl-3,4-dihydro-1,2-benzoxaborinine-8-carboxylic acid × 1 water × 1 Consistent with protein count
7 Protein monomer Monomer Protein 1 7-[1-(2-fluoranylethyl)azetidin-3-yl]oxy-2-oxidanyl-3,4-dihydro-1,2-benzoxaborinine-8-carboxylic acid × 1 water × 1 Consistent with protein count
8 Protein monomer Monomer Protein 1 7-[1-(2-fluoranylethyl)azetidin-3-yl]oxy-2-oxidanyl-3,4-dihydro-1,2-benzoxaborinine-8-carboxylic acid × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
3hbr 3hbr 3hbr 3hbr 4s2j 4s2j 4s2j 4s2j 4s2k 4s2k 4s2k 4s2k

198 assemblies; showing the first 12

Homodimer
3hbr 3hbr 4s2j 4s2j 4s2k 4s2k 4s2n 4s2n 4s2p 4wmc 4wmc 4wmc

96 assemblies; showing the first 12

Homotetramer
8qnz

1 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name BLO48_KLEPN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–242； UniProt 24–265 Author chain B； PDBConstruct 1–242； UniProt 24–265 Author chain C； PDBConstruct 1–242； UniProt 24–265 Author chain D； PDBConstruct 1–242； UniProt 24–265 Author chain E； PDBConstruct 1–242； UniProt 24–265 Author chain F； PDBConstruct 1–242； UniProt 24–265 Author chain G； PDBConstruct 1–242； UniProt 24–265 Author chain H； PDBConstruct 1–242； UniProt 24–265

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id9u9t
Deposition date deposition_date2025-03-29
Last revision last_revision2026-04-01
Structure title titleSerine Beta-Lactamase OXA-48 in complex with Dual MBL/SBL inhibitor FB1-9
Keywords keywordsinhibitor, Complex, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

9u9t__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

9u9t__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

9u9t__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）18.61 Å
Rg (electron density)17.30 Å
Total Rg18.30 Å
Atom count3953
Residues241
Excluded volume35414 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9u9t__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 9u9t__assembly_2__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 9u9t__assembly_3__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 9u9t__assembly_4__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
5 1 9u9t__assembly_5__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
6 1 9u9t__assembly_6__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
7 1 9u9t__assembly_7__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
8 1 9u9t__assembly_8__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (3)

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7. Citations (1)