SAXSdb — 1qwf

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

TYROSINE-PROTEIN KINASE TRANSFORMING PROTEIN SRC

Avian sarcoma virus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	VAL-SER-LEU-ALA-ARG-ARG-PRO-LEU-PRO-PRO-LEU-PRO × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SRC_AVISR
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–64； UniProt 77–140

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	1qwf
Deposition date deposition_date	1995-11-09
Structure title title	C-SRC SH3 DOMAIN COMPLEXED WITH LIGAND VSL12
Keywords keywords	SRC SH3 DOMAIN, CLASS I LIGAND COMPLEX, COMPLEX (SIGNAL TRANSDUCTION-PEPTIDE) COMPLEX; COMPLEX (SIGNAL TRANSDUCTION/PEPTIDE)
Experimental Method method	SOLUTION NMR

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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.

1qwf__assembly_1__model_1

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

Download this curve (.dat)

1qwf__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1qwf__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	12.48 Å
Rg (electron density)	10.86 Å
Total Rg	12.61 Å
Atom count	1074
Residues	68
Excluded volume	9663 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1qwf__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) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1qwfa_
Class class	b — All beta proteins
Fold Fold fold	b.34 — SH3-like barrel
Superfamily Superfamily superfamily	b.34.2 — SH3-domain
Family Family family	b.34.2.1 — SH3-domain

CATH v4.4 (1 domains)

Domain ID domain_id	1qwfA00
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	30 — SH3 type barrels.
Homologous superfamily homologous superfamily	40 — SH3 Domains

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 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	1

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

Description description	TYROSINE-PROTEIN KINASE TRANSFORMING PROTEIN SRC
Molecular weight formula_weight	7104.7 kDa
EC 编号 ec_number	2.7.1.112
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1074

Source organism organism	Avian sarcoma virus
NCBI taxonomy ID ncbi_taxonomy_id	11876
Host organism host_organism	Escherichia coli

C-SRC SH3 DOMAIN COMPLEXED WITH LIGAND VSL12

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

TYROSINE-PROTEIN KINASE TRANSFORMING PROTEIN SRC

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

1qwf__assembly_1__model_1

1qwf__assembly_1__model_1 | I(q)

1qwf__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (4)

C-SRC SH3 DOMAIN COMPLEXED WITH LIGAND VSL12

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

TYROSINE-PROTEIN KINASE TRANSFORMING PROTEIN SRC

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

1qwf__assembly_1__model_1

1qwf__assembly_1__model_1 | I(q)

1qwf__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (4)