SAXSdb — 2rsl

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

GAMMA DELTA-RESOLVASE

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 6	SULFATE ION × 6 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TNR1_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–140； UniProt 1–140 Author chain B； PDBConstruct 1–140； UniProt 1–140 Author chain C； PDBConstruct 1–140； UniProt 1–140

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	2rsl
Deposition date deposition_date	1993-09-08
Structure title title	REFINEMENT OF GAMMA DELTA RESOLVASE REVEALS A STRIKINGLY FLEXIBLE MOLECULE
Keywords keywords	SITE-SPECIFIC RECOMBINASE; SITE-SPECIFIC RECOMBINASE
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.

2rsl__assembly_1__model_1

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

Download this curve (.dat)

2rsl__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2rsl__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	48.94 Å
Rg (electron density)	51.41 Å
Total Rg	50.92 Å
Atom count	6682
Residues	708
Excluded volume	96390 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2rsl__assembly_1__model_1`	hexameric （6）	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	GAMMA DELTA-RESOLVASE
Molecular weight formula_weight	15515.8 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	3528

MRLFGYARVSTSQQSLDIQVRALKDAGVKANRIFTDKASGSSSDRKGLDLLRMKVEEGDVILVKKLDRLGRDTADMIQLIKEFDAQGVSIRFIDDGISTDGEMGKMVVTILSAVAQAERQRILERTNEGRQEAMAKGVVF

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562

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	3

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	165

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d2rsla_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.53 — Resolvase-like
Superfamily Superfamily superfamily	c.53.1 — Resolvase-like
Family Family family	c.53.1.1 — gamma,delta resolvase, catalytic domain

Domain ID domain_id	d2rslb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.53 — Resolvase-like
Superfamily Superfamily superfamily	c.53.1 — Resolvase-like
Family Family family	c.53.1.1 — gamma,delta resolvase, catalytic domain

Domain ID domain_id	d2rslc_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.53 — Resolvase-like
Superfamily Superfamily superfamily	c.53.1 — Resolvase-like
Family Family family	c.53.1.1 — gamma,delta resolvase, catalytic domain

CATH v4.4 (3 domains)

Domain ID domain_id	2rslA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1390 — Resolvase, N-terminal catalytic domain

Domain ID domain_id	2rslB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1390 — Resolvase, N-terminal catalytic domain

Domain ID domain_id	2rslC00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1390 — Resolvase, N-terminal catalytic domain

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Unit-cell length a length_a	76.800 Å
Unit-cell length b length_b	191.300 Å
Unit-cell length c length_c	63.400 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	24

Space group space_group	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	—

Resolution resolution	2.300 Å
Low-resolution limit resolution_low	8.000 Å
R factor r_factor	0.2000
R_work r_work	—
R_free r_free	—

REFINEMENT OF GAMMA DELTA RESOLVASE REVEALS A STRIKINGLY FLEXIBLE MOLECULE

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

GAMMA DELTA-RESOLVASE

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

2rsl__assembly_1__model_1

2rsl__assembly_1__model_1 | I(q)

2rsl__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

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) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (5)

REFINEMENT OF GAMMA DELTA RESOLVASE REVEALS A STRIKINGLY FLEXIBLE MOLECULE

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

GAMMA DELTA-RESOLVASE

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

2rsl__assembly_1__model_1

2rsl__assembly_1__model_1 | I(q)

2rsl__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

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) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (5)