SAXSdb — 1grr

▼

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

CHLORAMPHENICOL 3-O PHOSPHOTRANSFERASE

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	SULFATE ION × 4 N-ACETYL-P-NITROPHENYLSERINOL × 4 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CPT_STRVL
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–178； UniProt 1–178

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	1grr
Deposition date deposition_date	2001-12-15
Structure title title	CHLORAMPHENICOL PHOSPHOTRANSFERASE IN COMPLEX WITH 2-Nac-CHLORAMPHENICOL FROM STREPTOMYCES VENEZUELAE
Keywords keywords	TRANSFERASE, KINASE, ANTIBIOTIC RESISTANCE, PHOSPHORYLATION, MONONUCLEOTIDE BINDING FOLD; TRANSFERASE
Experimental Method method	X-RAY DIFFRACTION

▼

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.

1grr__assembly_1__model_1

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

Download this curve (.dat)

1grr__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1grr__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.83 Å
Rg (electron density)	25.81 Å
Total Rg	26.58 Å
Atom count	5372
Residues	712
Excluded volume	94873 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1grr__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	CHLORAMPHENICOL 3-O PHOSPHOTRANSFERASE
Molecular weight formula_weight	18834.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1424

MTTRMIILNGGSSAGKSGIVRCLQSVLPEPWLAFGVDSLIEAMPLKMQSAEGGIEFDADGGVSIGPEFRALEGAWAEGVVAMARAGARIIIDDVFLGGAAAQERWRSFVGDLDVLWVGVRCDGAVAEGRETARGDRVAGMAAKQAYVVHEGVEYDVEVDTTHKESIECAWAIAAHVVP

Entity 2 Entity 2 non-polymer

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

Entity 3 Entity 3 non-polymer

Description description	N-ACETYL-P-NITROPHENYLSERINOL
Molecular weight formula_weight	254.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	81

▼

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1grra_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.3 — Chloramphenicol phosphotransferase

CATH v4.4 (1 domains)

Domain ID domain_id	1grrA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

▶

Unit-cell length a length_a	200.000 Å
Unit-cell length b length_b	200.000 Å
Unit-cell length c length_c	200.000 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	48

Space group space_group	I 41 3 2
Space-group number int_tables_number	214
Crystal system crystal_system	—

Resolution resolution	2.900 Å
Low-resolution limit resolution_low	99.000 Å
R factor r_factor	0.2780
R_work r_work	0.2780
R_free r_free	0.2970

CHLORAMPHENICOL PHOSPHOTRANSFERASE IN COMPLEX WITH 2-Nac-CHLORAMPHENICOL FROM STREPTOMYCES VENEZUELAE

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

CHLORAMPHENICOL 3-O PHOSPHOTRANSFERASE

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

1grr__assembly_1__model_1

1grr__assembly_1__model_1 | I(q)

1grr__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

CHLORAMPHENICOL PHOSPHOTRANSFERASE IN COMPLEX WITH 2-Nac-CHLORAMPHENICOL FROM STREPTOMYCES VENEZUELAE

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

CHLORAMPHENICOL 3-O PHOSPHOTRANSFERASE

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

1grr__assembly_1__model_1

1grr__assembly_1__model_1 | I(q)

1grr__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)