SAXSdb — 6xqz

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

Peptidoglycan D,D-transpeptidase PenA

Neisseria gonorrhoeae

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	CHLORIDE ION × 2 1,2-ETHANEDIOL × 3 SULFATE ION × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	1,2-ETHANEDIOL × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PBP2_NEIGO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–48； UniProt 237–282 Author chain A； PDBConstruct 51–327； UniProt 298–574 Author chain B； PDBConstruct 3–48； UniProt 237–282 Author chain B； PDBConstruct 51–327； UniProt 298–574

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	6xqz
Deposition date deposition_date	2020-07-10
Structure title title	Crystal structure of the catalytic domain of PBP2 S310A from Neisseria gonorrhoeae at pH 7.5
Keywords keywords	PBP2, beta-lactam, antibiotic target, HYDROLASE; 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.

6xqz__assembly_1__model_1

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

Download this curve (.dat)

6xqz__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6xqz__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.73 Å
Rg (electron density)	18.47 Å
Total Rg	19.44 Å
Atom count	2465
Residues	322
Excluded volume	44021 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6xqz__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`6xqz__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 (5)

Entity 1 Entity 1 polymer

Description description	Peptidoglycan D,D-transpeptidase PenA
Molecular weight formula_weight	35284.3 kDa
EC 编号 ec_number	3.4.16.4
Mutation mutation	S310A
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	5196

DMLSLDQRIQTLAYEELNKAVEYHQAKAGTVVVLDARTGEILALANTPGGRNRAVTDMIEPGAAIKPFVIAKALDAGKTDLNERLNTQPYKIGPSPVRDTHVYPSLDVRGIMQKSSNVGTSKLSARFGAEEMYDFYHELGIGVRMHSGFPGETAGLLRNWRRWRPIEQATMSFGYGLQLSLLQLARAYTALTHDGVLLPLSFEKQAVAPQGKRIFKESTAREVRNLMVSVTEPGGTGTAGAVDGFDVGAKTGTARKFVNGRYADNKHVATFIGFAPAKNPRVIVAVTIDEPTAHGYYGGVVAGPPFKKIMGGSLNILGISPTKPLTA

Source Source

Source organism organism	Neisseria gonorrhoeae
NCBI taxonomy ID ncbi_taxonomy_id	485
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	5

Entity 4 Entity 4 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	270

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d6xqza1
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.3.1.0 — automated matches

Domain ID domain_id	d6xqza2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d6xqzb_
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.3.1.0 — automated matches

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Unit-cell length a length_a	42.540 Å
Unit-cell length b length_b	77.480 Å
Unit-cell length c length_c	86.710 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	91.87 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	monoclinic

Resolution resolution	2.040 Å
Low-resolution limit resolution_low	42.520 Å
R factor r_factor	0.1663
R_work r_work	0.1639
R_free r_free	0.2125

Crystal structure of the catalytic domain of PBP2 S310A from Neisseria gonorrhoeae at pH 7.5

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

Peptidoglycan D,D-transpeptidase PenA

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

6xqz__assembly_1__model_1

6xqz__assembly_1__model_1 | I(q)

6xqz__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

7. Citations (1)

Crystal structure of the catalytic domain of PBP2 S310A from Neisseria gonorrhoeae at pH 7.5

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

Peptidoglycan D,D-transpeptidase PenA

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

6xqz__assembly_1__model_1

6xqz__assembly_1__model_1 | I(q)

6xqz__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

7. Citations (1)