SAXSdb — 5sys

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

Proto-oncogene tyrosine-protein kinase Src

Gallus gallus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	;N-[3-({6-[(2S)-2-cyano-3-(methylamino)-3-oxopropyl]-7-(2-methoxyethyl)-7H-pyrrolo[2,3-d]pyrimidin-5-yl}ethynyl)-4-methylphenyl]-3-(trifluoromethyl)benzamide ; × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	;N-[3-({6-[(2S)-2-cyano-3-(methylamino)-3-oxopropyl]-7-(2-methoxyethyl)-7H-pyrrolo[2,3-d]pyrimidin-5-yl}ethynyl)-4-methylphenyl]-3-(trifluoromethyl)benzamide ; × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SRC_CHICK
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–286； UniProt 251–533 Author chain B； PDBConstruct 4–286； UniProt 251–533

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	5sys
Deposition date deposition_date	2016-08-11
Structure title title	c-Src V281C bound to N-[3-({6-[(1E)-2-cyano-3-(methylamino)-3-oxoprop-1-en-1-yl]-7-(2-methoxyethyl)-7H-pyrrolo[2,3-d]pyrimidin-5-yl}ethynyl)-4-methylphenyl]-3-(trifluoromethyl)benzamide inhibitor
Keywords keywords	DFG-out, covalently-linked inihibitor, TRANSFERASE-TRANSFERASE INHIBITOR complex; TRANSFERASE/TRANSFERASE INHIBITOR
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.

5sys__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

5sys__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5sys__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	20.42 Å
Rg (electron density)	19.32 Å
Total Rg	20.18 Å
Atom count	2107
Residues	258
Excluded volume	37718 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5sys__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`5sys__assembly_2__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 (3)

Entity 1 Entity 1 polymer

Description description	Proto-oncogene tyrosine-protein kinase Src
Molecular weight formula_weight	32730.7 kDa
EC 编号 ec_number	2.7.10.2
Mutation mutation	V281C
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	4297

GHMQTQGLAKDAWEIPRESLRLEVKLGQGCFGECWMGTWNGTTRVAIKTLKPGTMSPEAFLQEAQVMKKLRHEKLVQLYAVVSEEPIYIVTEYMSKGSLLDFLKGEMGKYLRLPQLVDMAAQIASGMAYVERMNYVHRDLRAANILVGENLVCKVADFGLARLIEDNEYTARQGAKFPIKWTAPEAALYGRFTIKSDVWSFGILLTELTTKGRVPYPGMVNREVLDQVERGYRMPCPPECPESLHDLMCQCWRKDPEERPTFEYLQAFLEDYFTSTEPQYQPGENL

Source Source

Source organism organism	Gallus gallus
Common name common_name	Chicken
NCBI taxonomy ID ncbi_taxonomy_id	9031
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	;N-[3-({6-[(2S)-2-cyano-3-(methylamino)-3-oxopropyl]-7-(2-methoxyethyl)-7H-pyrrolo[2,3-d]pyrimidin-5-yl}ethynyl)-4-methylphenyl]-3-(trifluoromethyl)benzamide ;
Molecular weight formula_weight	588.6 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	67

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d5sysa_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamily	d.144.1 — Protein kinase-like (PK-like)
Family Family family	d.144.1.7 — Protein kinases, catalytic subunit

Domain ID domain_id	d5sysb_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamily	d.144.1 — Protein kinase-like (PK-like)
Family Family family	d.144.1.7 — Protein kinases, catalytic subunit

CATH v4.4 (4 domains)

Domain ID domain_id	5sysA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily	20 — Phosphorylase Kinase; domain 1

Domain ID domain_id	5sysA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily	10 — Transferase(Phosphotransferase) domain 1

Domain ID domain_id	5sysB01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily	20 — Phosphorylase Kinase; domain 1

Domain ID domain_id	5sysB02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily	10 — Transferase(Phosphotransferase) domain 1

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Unit-cell length a length_a	41.813 Å
Unit-cell length b length_b	63.857 Å
Unit-cell length c length_c	75.625 Å
Unit-cell angle α angle_alpha	77.87 °
Unit-cell angle β angle_beta	90.10 °
Unit-cell angle γ angle_gamma	89.83 °
Molecules per unit cell Z z_pdb	2

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

Resolution resolution	2.800 Å
Low-resolution limit resolution_low	73.940 Å
R factor r_factor	0.2881
R_work r_work	0.2857
R_free r_free	0.3339

c-Src V281C bound to N-[3-({6-[(1E)-2-cyano-3-(methylamino)-3-oxoprop-1-en-1-yl]-7-(2-methoxyethyl)-7H-pyrrolo[2,3-d]pyrimidin-5-yl}ethynyl)-4-methylphenyl]-3-(trifluoromethyl)benzamide inhibitor

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

Proto-oncogene tyrosine-protein kinase 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

5sys__assembly_2__model_1

5sys__assembly_2__model_1 | I(q)

5sys__assembly_2__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 (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 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)

c-Src V281C bound to N-[3-({6-[(1E)-2-cyano-3-(methylamino)-3-oxoprop-1-en-1-yl]-7-(2-methoxyethyl)-7H-pyrrolo[2,3-d]pyrimidin-5-yl}ethynyl)-4-methylphenyl]-3-(trifluoromethyl)benzamide inhibitor

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

Proto-oncogene tyrosine-protein kinase 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

5sys__assembly_2__model_1

5sys__assembly_2__model_1 | I(q)

5sys__assembly_2__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 (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 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)