1rj2

Crystal structure of the DH/PH fragment of Dbs without bound GTPase

Method: X-RAY DIFFRACTION

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

Guanine nucleotide exchange factor DBS [Fragment]

Mus musculus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MCF2L_RAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–347； UniProt 498–843 Author chain D； PDBConstruct 2–347； UniProt 498–843 Author chain G； PDBConstruct 2–347； UniProt 498–843 Author chain J； PDBConstruct 2–347； UniProt 498–843

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	1rj2
Deposition date deposition_date	2003-11-18
Structure title title	Crystal structure of the DH/PH fragment of Dbs without bound GTPase
Keywords keywords	Dbl homology; Pleckstrin homology; Guanine nucleotide exchange factor; Rho GTPase, SIGNALING PROTEIN; SIGNALING PROTEIN
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.

1rj2__assembly_1__model_1

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

Download this curve (.dat)

1rj2__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1rj2__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	25.48 Å
Rg (electron density)	24.41 Å
Total Rg	25.19 Å
Atom count	2594
Residues	317
Excluded volume	46370 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1rj2__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1rj2__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`1rj2__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`1rj2__assembly_4__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 (2)

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6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d1rj2a1
Class class	a — All alpha proteins
Fold Fold fold	a.87 — DBL homology domain (DH-domain)
Superfamily Superfamily superfamily	a.87.1 — DBL homology domain (DH-domain)
Family Family family	a.87.1.1 — DBL homology domain (DH-domain)

Domain ID domain_id	d1rj2a2
Class class	b — All beta proteins
Fold Fold fold	b.55 — PH domain-like barrel
Superfamily Superfamily superfamily	b.55.1 — PH domain-like
Family Family family	b.55.1.1 — Pleckstrin-homology domain (PH domain)

Domain ID domain_id	d1rj2d1
Class class	a — All alpha proteins
Fold Fold fold	a.87 — DBL homology domain (DH-domain)
Superfamily Superfamily superfamily	a.87.1 — DBL homology domain (DH-domain)
Family Family family	a.87.1.1 — DBL homology domain (DH-domain)

Domain ID domain_id	d1rj2d2
Class class	b — All beta proteins
Fold Fold fold	b.55 — PH domain-like barrel
Superfamily Superfamily superfamily	b.55.1 — PH domain-like
Family Family family	b.55.1.1 — Pleckstrin-homology domain (PH domain)

Domain ID domain_id	d1rj2g1
Class class	a — All alpha proteins
Fold Fold fold	a.87 — DBL homology domain (DH-domain)
Superfamily Superfamily superfamily	a.87.1 — DBL homology domain (DH-domain)
Family Family family	a.87.1.1 — DBL homology domain (DH-domain)

Domain ID domain_id	d1rj2g2
Class class	b — All beta proteins
Fold Fold fold	b.55 — PH domain-like barrel
Superfamily Superfamily superfamily	b.55.1 — PH domain-like
Family Family family	b.55.1.1 — Pleckstrin-homology domain (PH domain)

Domain ID domain_id	d1rj2j1
Class class	a — All alpha proteins
Fold Fold fold	a.87 — DBL homology domain (DH-domain)
Superfamily Superfamily superfamily	a.87.1 — DBL homology domain (DH-domain)
Family Family family	a.87.1.1 — DBL homology domain (DH-domain)

Domain ID domain_id	d1rj2j2
Class class	b — All beta proteins
Fold Fold fold	b.55 — PH domain-like barrel
Superfamily Superfamily superfamily	b.55.1 — PH domain-like
Family Family family	b.55.1.1 — Pleckstrin-homology domain (PH domain)

CATH v4.4 (8 domains)

Domain ID domain_id	1rj2A01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	900 — Dbl Homology Domain; Chain A
Homologous superfamily homologous superfamily	10 — Dbl homology (DH) domain

Domain ID domain_id	1rj2A02
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	29 — PH-domain like
Homologous superfamily homologous superfamily	30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)

Domain ID domain_id	1rj2D01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	900 — Dbl Homology Domain; Chain A
Homologous superfamily homologous superfamily	10 — Dbl homology (DH) domain

Domain ID domain_id	1rj2D02
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	29 — PH-domain like
Homologous superfamily homologous superfamily	30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)

Domain ID domain_id	1rj2G01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	900 — Dbl Homology Domain; Chain A
Homologous superfamily homologous superfamily	10 — Dbl homology (DH) domain

Domain ID domain_id	1rj2G02
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	29 — PH-domain like
Homologous superfamily homologous superfamily	30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)

Domain ID domain_id	1rj2J01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	900 — Dbl Homology Domain; Chain A
Homologous superfamily homologous superfamily	10 — Dbl homology (DH) domain

Domain ID domain_id	1rj2J02
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	29 — PH-domain like
Homologous superfamily homologous superfamily	30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)

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Unit-cell length a length_a	97.989 Å
Unit-cell length b length_b	82.824 Å
Unit-cell length c length_c	127.257 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.80 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

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

Resolution resolution	3.000 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	—
R_work r_work	0.2391
R_free r_free	0.2957

Description description	Guanine nucleotide exchange factor DBS [Fragment]
Molecular weight formula_weight	41220.3 kDa
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,D,G,J
Atom count atom_count	10370

Crystal structure of the DH/PH fragment of Dbs without bound GTPase

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

Guanine nucleotide exchange factor DBS [Fragment]

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

1rj2__assembly_1__model_1

1rj2__assembly_1__model_1 | I(q)

1rj2__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) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)

Source organism organism	Mus musculus
Common name common_name	house mouse
NCBI taxonomy ID ncbi_taxonomy_id	10090
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	15

Crystal structure of the DH/PH fragment of Dbs without bound GTPase

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

Guanine nucleotide exchange factor DBS [Fragment]

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

1rj2__assembly_1__model_1

1rj2__assembly_1__model_1 | I(q)

1rj2__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) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)