SAXSdb — 1h6p

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

TELOMERIC REPEAT BINDING FACTOR 2

HOMO SAPIENS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	MAGNESIUM ION × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q15554
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–203； UniProt 43–245 Author chain B； PDBConstruct 1–203； UniProt 43–245

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	1h6p
Deposition date deposition_date	2001-06-20
Structure title title	Dimeristion domain from human TRF2
Keywords keywords	TELOMERE BINDING, TRF2, TELOMERE, DIMERISATION, TRFH, DNA-BINDING, NUCLEAR PROTEIN; TELOMERE BINDING
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.

1h6p__assembly_1__model_1

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

Download this curve (.dat)

1h6p__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1h6p__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.90 Å
Rg (electron density)	23.31 Å
Total Rg	24.08 Å
Atom count	2924
Residues	376
Excluded volume	52453 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1h6p__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 (3)

Entity 1 Entity 1 polymer

Description description	TELOMERIC REPEAT BINDING FACTOR 2
Molecular weight formula_weight	23667.6 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	3057

AGEARLEEAVNRWVLKFYFHEALRAFRGSRYGDFRQIRDIMQALLVRPLGKEHTVSRLLRVMQCLSRIEEGENLDCSFDMEAELTPLESAINVLEMIKTEFTLTEAVVESSRKLVKEAAVIICIKNKEFEKASKILKKHMSKDPTTQKLRNDLLNIIREKNLAHPVIQNFSYETFQQKMLRFLESHLDDAEPYLLTMAKKALK

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 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	133

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1h6pa_
Class class	a — All alpha proteins
Fold Fold fold	a.146 — Telomeric repeat binding factor (TRF) dimerisation domain
Superfamily Superfamily superfamily	a.146.1 — Telomeric repeat binding factor (TRF) dimerisation domain
Family Family family	a.146.1.1 — Telomeric repeat binding factor (TRF) dimerisation domain

Domain ID domain_id	d1h6pb_
Class class	a — All alpha proteins
Fold Fold fold	a.146 — Telomeric repeat binding factor (TRF) dimerisation domain
Superfamily Superfamily superfamily	a.146.1 — Telomeric repeat binding factor (TRF) dimerisation domain
Family Family family	a.146.1.1 — Telomeric repeat binding factor (TRF) dimerisation domain

CATH v4.4 (2 domains)

Domain ID domain_id	1h6pA00
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	210 — Telomere repeat-binding factor, dimerisation domain

Domain ID domain_id	1h6pB00
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	210 — Telomere repeat-binding factor, dimerisation domain

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Unit-cell length a length_a	117.041 Å
Unit-cell length b length_b	80.284 Å
Unit-cell length c length_c	52.816 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	101.95 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	23.720 Å
R factor r_factor	0.2350
R_work r_work	0.2350
R_free r_free	0.2680

Dimeristion domain from human TRF2

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

TELOMERIC REPEAT BINDING FACTOR 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

1h6p__assembly_1__model_1

1h6p__assembly_1__model_1 | I(q)

1h6p__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 (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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (3)

Dimeristion domain from human TRF2

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

TELOMERIC REPEAT BINDING FACTOR 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

1h6p__assembly_1__model_1

1h6p__assembly_1__model_1 | I(q)

1h6p__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 (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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (3)