SAXSdb — 1o7e

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1. Protein Identity and Related Structures Protein Identity & Related Structures

L2 BETA LACTAMASE

STENOTROPHOMONAS MALTOPHILIA

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	GLYCEROL × 1 SULFATE ION × 7 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	GLYCEROL × 2 SULFATE ION × 6 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9RBQ1
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–276； UniProt 28–303 Author chain B； PDBConstruct 1–276； UniProt 28–303

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_id	1o7e
Deposition date deposition_date	2002-11-02
Structure title title	Crystal structure of the class A beta-lactamse L2 from Stenotrophomonas maltophilia at 1.51 angstrom
Keywords keywords	HYDROLASE, BETA-LACTAMASE, CLASS A, L2; HYDROLASE
Experimental Method method	X-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.

1o7e__assembly_1__model_1

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

Download this curve (.dat)

1o7e__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1o7e__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	18.89 Å
Rg (electron density)	17.68 Å
Total Rg	18.67 Å
Atom count	2030
Residues	267
Excluded volume	35605 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1o7e__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1o7e__assembly_2__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 (4)

Entity 1 Entity 1 polymer

Description description	L2 BETA LACTAMASE
Molecular weight formula_weight	29164.1 kDa
EC 编号 ec_number	3.5.2.6
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	4885

AGKATANAPTDAAITAASDFAALEKACAGRLGVTLLDTASGRRIGHRQDERFPMCSTFKSMLAATVLSQAERMPALLDRRVPVGEADLLSHAPVTRRHAGKDMTVRDLCRATIITSDNTAANLLFGVVGGPPAVTAFLRASGDTVSRSDRLEPELNSFAKGDPRDTTTPAAMAATLQRVVLGEVLQPASRQQLADWLIDNETGDACLRAGLGKRWRVGDKTGSNGEDARNDIAVLWPVAGGAPWVLTAYLQAGAISYEQRASVLAQVGRIADRLIG

Source Source

Source organism organism	STENOTROPHOMONAS MALTOPHILIA
NCBI taxonomy ID ncbi_taxonomy_id	40324
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	13

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	733

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1o7ea_
Class class	e — Multi-domain proteins (alpha and beta)
Fold Fold fold	e.3 — beta-lactamase/transpeptidase-like
Superfamily Superfamily superfamily	e.3.1 — beta-lactamase/transpeptidase-like
Family Family family	e.3.1.1 — beta-Lactamase/D-ala carboxypeptidase

Domain ID domain_id	d1o7eb_
Class class	e — Multi-domain proteins (alpha and beta)
Fold Fold fold	e.3 — beta-lactamase/transpeptidase-like
Superfamily Superfamily superfamily	e.3.1 — beta-lactamase/transpeptidase-like
Family Family family	e.3.1.1 — beta-Lactamase/D-ala carboxypeptidase

CATH v4.4 (2 domains)

Domain ID domain_id	1o7eA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	710 — Beta-lactamase
Homologous superfamily homologous superfamily	10 — DD-peptidase/beta-lactamase superfamily

Domain ID domain_id	1o7eB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	710 — Beta-lactamase
Homologous superfamily homologous superfamily	10 — DD-peptidase/beta-lactamase superfamily

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Unit-cell length a length_a	133.216 Å
Unit-cell length b length_b	133.216 Å
Unit-cell length c length_c	93.861 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	16

Space group space_group	P 41 21 2
Space-group number int_tables_number	92
Crystal system crystal_system	—

Resolution resolution	1.510 Å
Low-resolution limit resolution_low	23.920 Å
R factor r_factor	0.1700
R_work r_work	0.1630
R_free r_free	0.1840

Crystal structure of the class A beta-lactamse L2 from Stenotrophomonas maltophilia at 1.51 angstrom

1. Protein Identity and Related Structures Protein Identity & Related Structures

L2 BETA LACTAMASE

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

1o7e__assembly_1__model_1

1o7e__assembly_1__model_1 | I(q)

1o7e__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of the class A beta-lactamse L2 from Stenotrophomonas maltophilia at 1.51 angstrom

1. Protein Identity and Related Structures Protein Identity & Related Structures

L2 BETA LACTAMASE

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

1o7e__assembly_1__model_1

1o7e__assembly_1__model_1 | I(q)

1o7e__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)