3hrn

crystal structure of a C-terminal coiled coil domain of Transient receptor potential (TRP) channel subfamily P member 2 (TRPP2, polycystic kidney disease 2)

Method: X-RAY DIFFRACTION

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

Transient receptor potential (TRP) channel subfamily P member 2 (TRPP2)

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PKD2_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–64； UniProt 833–895

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	3hrn
Deposition date deposition_date	2009-06-09
Structure title title	crystal structure of a C-terminal coiled coil domain of Transient receptor potential (TRP) channel subfamily P member 2 (TRPP2, polycystic kidney disease 2)
Keywords keywords	;coiled coil, helix bundle, trimer, Calcium, Disease mutation, Glycoprotein, Ion transport, Ionic channel, Membrane, Phosphoprotein, Polymorphism, Transmembrane, Transport, TRANSPORT PROTEIN ;; TRANSPORT 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.

3hrn__assembly_1__model_1

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

Download this curve (.dat)

3hrn__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3hrn__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	27.95 Å
Rg (electron density)	27.86 Å
Total Rg	27.61 Å
Atom count	1515
Residues	189
Excluded volume	27228 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3hrn__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 (2)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id	3hrnA00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	340 —

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Unit-cell length a length_a	43.642 Å
Unit-cell length b length_b	43.642 Å
Unit-cell length c length_c	200.351 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	18

Space group space_group	H 3 2
Space-group number int_tables_number	155
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	0.2050
R_work r_work	0.1990
R_free r_free	0.2600

Description description	Transient receptor potential (TRP) channel subfamily P member 2 (TRPP2)
Molecular weight formula_weight	7352.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	663

crystal structure of a C-terminal coiled coil domain of Transient receptor potential (TRP) channel subfamily P member 2 (TRPP2, polycystic kidney disease 2)

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

Transient receptor potential (TRP) channel subfamily P member 2 (TRPP2)

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

3hrn__assembly_1__model_1

3hrn__assembly_1__model_1 | I(q)

3hrn__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) 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

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	110

crystal structure of a C-terminal coiled coil domain of Transient receptor potential (TRP) channel subfamily P member 2 (TRPP2, polycystic kidney disease 2)

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

Transient receptor potential (TRP) channel subfamily P member 2 (TRPP2)

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

3hrn__assembly_1__model_1

3hrn__assembly_1__model_1 | I(q)

3hrn__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) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)