SAXSdb — 2h5k

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

Growth factor receptor-bound protein 2

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	Shc-Derived Ligand × 1 CACODYLATE ION × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GRB2_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–110； UniProt 53–162 Author chain B； PDBConstruct 1–110； UniProt 53–162

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	2h5k
Deposition date deposition_date	2006-05-26
Structure title title	Crystal Structure of Complex Between the Domain-Swapped Dimeric Grb2 SH2 Domain and Shc-Derived Ligand, Ac-NH-pTyr-Val-Asn-NH2
Keywords keywords	Domain-swapping, protein-phosphopeptide complex, HORMONE-GROWTH FACTOR COMPLEX; HORMONE/GROWTH FACTOR
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.

2h5k__assembly_1__model_1

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

Download this curve (.dat)

2h5k__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2h5k__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.84 Å
Rg (electron density)	21.16 Å
Total Rg	22.03 Å
Atom count	1622
Residues	194
Excluded volume	28697 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2h5k__assembly_1__model_1`	trimeric （3）	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 (4)

Entity 1 Entity 1 polymer

Description description	Growth factor receptor-bound protein 2
Molecular weight formula_weight	13687.5 kDa
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	1631

IEMKPHPWFFGKIPRAKAEEMLSKQRHDGAFLIRESESAPGDFSLSVKFGNDVQHFKVLRDGAGKYFLWVVKFNSLNELVDYHRSTSVSRNQQIFLRDIEQVPQQPTYVQHHHHHH

Source Source

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

Entity 2 Entity 2 polymer

Description description	Shc-Derived Ligand
Molecular weight formula_weight	498.4 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

XYVNX

Entity 3 Entity 3 non-polymer

Description description	CACODYLATE ION
Molecular weight formula_weight	137.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	9

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2h5ka1
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

Domain ID domain_id	d2h5kb1
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 (2 domains)

Domain ID domain_id	2h5kA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	505 — SHC Adaptor Protein
Homologous superfamily homologous superfamily	10 — SH2 domain

Domain ID domain_id	2h5kB00
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	94.859 Å
Unit-cell length b length_b	94.859 Å
Unit-cell length c length_c	139.236 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	24

Space group space_group	P 62 2 2
Space-group number int_tables_number	180
Crystal system crystal_system	—

Resolution resolution	3.250 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	—
R_work r_work	0.2469
R_free r_free	0.2997

Crystal Structure of Complex Between the Domain-Swapped Dimeric Grb2 SH2 Domain and Shc-Derived Ligand, Ac-NH-pTyr-Val-Asn-NH2

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

Growth factor receptor-bound protein 2

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

2h5k__assembly_1__model_1

2h5k__assembly_1__model_1 | I(q)

2h5k__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Crystal Structure of Complex Between the Domain-Swapped Dimeric Grb2 SH2 Domain and Shc-Derived Ligand, Ac-NH-pTyr-Val-Asn-NH2

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

Growth factor receptor-bound protein 2

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

2h5k__assembly_1__model_1

2h5k__assembly_1__model_1 | I(q)

2h5k__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)