SAXSdb — 1zrs

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

hypothetical protein

Pseudomonas aeruginosa

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9HTZ1_PSEAE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 11–317； UniProt 1–307 Author chain B； PDBConstruct 11–317； UniProt 1–307

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	1zrs
Deposition date deposition_date	2005-05-21
Structure title title	wild-type LD-carboxypeptidase
Keywords keywords	LD-carboxypeptidase, peptidoglycan hydrolase, serine peptidase, serine-histidine-glutamate triad, nucleophilic elbow, 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.

1zrs__assembly_1__model_1

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

Download this curve (.dat)

1zrs__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1zrs__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.81 Å
Rg (electron density)	25.70 Å
Total Rg	26.48 Å
Atom count	4505
Residues	588
Excluded volume	79700 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1zrs__assembly_1__model_1`	dimeric （2）	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 (2)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1zrsa1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamily	c.8.10 — LD-carboxypeptidase A C-terminal domain-like
Family Family family	c.8.10.1 — LD-carboxypeptidase A C-terminal domain-like

Domain ID domain_id	d1zrsa2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.23 — Flavodoxin-like
Superfamily Superfamily superfamily	c.23.16 — Class I glutamine amidotransferase-like
Family Family family	c.23.16.7 — LD-carboxypeptidase A N-terminal domain-like

Domain ID domain_id	d1zrsb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamily	c.8.10 — LD-carboxypeptidase A C-terminal domain-like
Family Family family	c.8.10.1 — LD-carboxypeptidase A C-terminal domain-like

Domain ID domain_id	d1zrsb2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.23 — Flavodoxin-like
Superfamily Superfamily superfamily	c.23.16 — Class I glutamine amidotransferase-like
Family Family family	c.23.16.7 — LD-carboxypeptidase A N-terminal domain-like

CATH v4.4 (4 domains)

Domain ID domain_id	1zrsA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10740 — Murein tetrapeptidase LD-carboxypeptidase, N-terminal domain

Domain ID domain_id	1zrsA02
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	30 — Glucose Oxidase; domain 1
Homologous superfamily homologous superfamily	60 — LD-carboxypeptidase A C-terminal domain-like

Domain ID domain_id	1zrsB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10740 — Murein tetrapeptidase LD-carboxypeptidase, N-terminal domain

Domain ID domain_id	1zrsB02
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	30 — Glucose Oxidase; domain 1
Homologous superfamily homologous superfamily	60 — LD-carboxypeptidase A C-terminal domain-like

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Unit-cell length a length_a	52.185 Å
Unit-cell length b length_b	78.271 Å
Unit-cell length c length_c	71.258 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	104.33 °
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	—

Resolution resolution	1.500 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.1644
R_work r_work	0.1637
R_free r_free	0.1773

Description description	hypothetical protein
Molecular weight formula_weight	34637.4 kDa
EC 编号 ec_number	3.4.17.13
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	4818

wild-type LD-carboxypeptidase

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

hypothetical protein

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

1zrs__assembly_1__model_1

1zrs__assembly_1__model_1 | I(q)

1zrs__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Pseudomonas aeruginosa
NCBI taxonomy ID ncbi_taxonomy_id	287
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	313

wild-type LD-carboxypeptidase

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

hypothetical protein

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

1zrs__assembly_1__model_1

1zrs__assembly_1__model_1 | I(q)

1zrs__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)