SAXSdb — 1ijr

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

PROTO-ONCOGENE TYROSINE-PROTEIN KINASE LCK

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	(4-{2-ACETYLAMINO-2-[1-(3-CARBAMOYL-4-CYCLOHEXYLMETHOXY-PHENYL)-ETHYLCARBAMOYL}-ETHYL}-2-PHOSPHONO-PHENOXY)-ACETIC ACID × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LCK_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–104； UniProt 123–226

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	1ijr
Deposition date deposition_date	2001-04-27
Structure title title	Crystal structure of LCK SH2 complexed with nonpeptide phosphotyrosine mimetic
Keywords keywords	Tyrosine-protein kinase, TRANSFERASE-SIGNALING PROTEIN COMPLEX; TRANSFERASE/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.

1ijr__assembly_1__model_1

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

Download this curve (.dat)

1ijr__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1ijr__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	14.68 Å
Rg (electron density)	13.18 Å
Total Rg	14.46 Å
Atom count	877
Residues	104
Excluded volume	15376 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1ijr__assembly_1__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) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1ijra_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.93 — SH2-like
Superfamily Superfamily superfamily	d.93.1 — SH2 domain
Family Family family	d.93.1.1 — SH2 domain

CATH v4.4 (1 domains)

Domain ID domain_id	1ijrA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	505 — SHC Adaptor Protein
Homologous superfamily homologous superfamily	10 — SH2 domain

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Unit-cell length a length_a	61.600 Å
Unit-cell length b length_b	61.600 Å
Unit-cell length c length_c	93.500 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	8

Space group space_group	P 43 21 2
Space-group number int_tables_number	96
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	10.000 Å
R factor r_factor	—
R_work r_work	0.2300
R_free r_free	0.2800

Description description	PROTO-ONCOGENE TYROSINE-PROTEIN KINASE LCK
Molecular weight formula_weight	11830.2 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	877

Crystal structure of LCK SH2 complexed with nonpeptide phosphotyrosine mimetic

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

PROTO-ONCOGENE TYROSINE-PROTEIN KINASE LCK

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

1ijr__assembly_1__model_1

1ijr__assembly_1__model_1 | I(q)

1ijr__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 non-polymer

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Crystal structure of LCK SH2 complexed with nonpeptide phosphotyrosine mimetic

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

PROTO-ONCOGENE TYROSINE-PROTEIN KINASE LCK

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

1ijr__assembly_1__model_1

1ijr__assembly_1__model_1 | I(q)

1ijr__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 non-polymer

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)