SAXSdb — 5gsc

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

Beta-lactamase

Enterobacter aerogenes

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	CADMIUM ION × 15 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	CADMIUM ION × 9 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q99QC1_ENTAE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 8–366； UniProt 24–382 Author chain B； PDBConstruct 8–366； UniProt 24–382

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	5gsc
Deposition date deposition_date	2016-08-15
Structure title title	Crystal structure of a class C beta lactamase of Apo form
Keywords keywords	Class C beta-lactamase, 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.

5gsc__assembly_1__model_1

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

Download this curve (.dat)

5gsc__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5gsc__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.72 Å
Rg (electron density)	19.40 Å
Total Rg	20.62 Å
Atom count	2649
Residues	348
Excluded volume	47590 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5gsc__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`5gsc__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 (3)

Entity 1 Entity 1 polymer

Description description	Beta-lactamase
Molecular weight formula_weight	39303.5 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	5585

MHHHHHHGEASPVDPLRPVVDASIQPLLKEHRIPGMAVAVLKDGKAHYFNYGVANRESGAGVSEQTLFEIGSVSKTLTATLGAYAVVKGAMQLDDKASRHAPWLKGSAFDSITMGELATYSAGGLPLQFPEEVDSSEKMRAYYRQWAPVYSPGSHRQYSNPSIGLFGHLAASSLKQPFAPLMEQTLLPGLGMHHTYVNVPKQAMASYAYGYSKEDKPIRVNPGMLADEAYGIKTSSADLLRFVKANIGGVDDKALQQAISLTHQGHYSVGGMTQGLGWESYAYPVTEQTLLAGNSAKVILEANPTAAPRESGSQVLFNKTGSTNGFGAYVAFVPARGIGIVMLANRNYPIEARIKAAHAILAQLAG

Source Source

Source organism organism	Enterobacter aerogenes
NCBI taxonomy ID ncbi_taxonomy_id	548
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	CADMIUM ION
Molecular weight formula_weight	112.4 kDa
Source method src_method	syn
Copy count entity_count	24

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	268

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d5gsca_
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	d5gscb_
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

CATH v4.4 (2 domains)

Domain ID domain_id	5gscA00
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	5gscB00
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	71.511 Å
Unit-cell length b length_b	90.200 Å
Unit-cell length c length_c	113.920 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	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.953 Å
Low-resolution limit resolution_low	48.161 Å
R factor r_factor	0.1862
R_work r_work	0.1841
R_free r_free	0.2234

Crystal structure of a class C beta lactamase of Apo form

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

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

5gsc__assembly_1__model_1

5gsc__assembly_1__model_1 | I(q)

5gsc__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of a class C beta lactamase of Apo form

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

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

5gsc__assembly_1__model_1

5gsc__assembly_1__model_1 | I(q)

5gsc__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)