SAXSdb — 5kni

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

Tankyrase-1

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 7	water × 7	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TNKS1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–67； UniProt 1026–1091 Author chain B； PDBConstruct 2–67； UniProt 1026–1091 Author chain C； PDBConstruct 2–67； UniProt 1026–1091 Author chain D； PDBConstruct 2–67； UniProt 1026–1091 Author chain E； PDBConstruct 2–67； UniProt 1026–1091 Author chain F； PDBConstruct 2–67； UniProt 1026–1091 Author chain G； PDBConstruct 2–67； UniProt 1026–1091

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	5kni
Deposition date deposition_date	2016-06-28
Structure title title	Crystal Structure of the wild-type SAM domain of human Tankyrase-1
Keywords keywords	tankyrase, sterile alpha motif SAM domain, TNKS, TNKS1, TRANSFERASE; TRANSFERASE
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.

5kni__assembly_1__model_1

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

Download this curve (.dat)

5kni__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5kni__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	36.70 Å
Rg (electron density)	36.43 Å
Total Rg	36.90 Å
Atom count	3441
Residues	430
Excluded volume	61507 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5kni__assembly_1__model_1`	heptameric （7）	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) 7 domains

CATH v4.4 (7 domains)

Domain ID domain_id	5kniA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	50 — Transcription Factor, Ets-1

Domain ID domain_id	5kniB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	50 — Transcription Factor, Ets-1

Domain ID domain_id	5kniC00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	50 — Transcription Factor, Ets-1

Domain ID domain_id	5kniD00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	50 — Transcription Factor, Ets-1

Domain ID domain_id	5kniE00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	50 — Transcription Factor, Ets-1

Domain ID domain_id	5kniF00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	50 — Transcription Factor, Ets-1

Domain ID domain_id	5kniG00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	50 — Transcription Factor, Ets-1

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Unit-cell length a length_a	87.322 Å
Unit-cell length b length_b	55.101 Å
Unit-cell length c length_c	92.441 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	115.88 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	14

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	0.1704
R_work r_work	0.1682
R_free r_free	0.2122

Description description	Tankyrase-1
Molecular weight formula_weight	7567.6 kDa
EC 编号 ec_number	2.4.2.30
Source method src_method	man
Copy count entity_count	7

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G
Atom count atom_count	3562

Crystal Structure of the wild-type SAM domain of human Tankyrase-1

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

Tankyrase-1

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

5kni__assembly_1__model_1

5kni__assembly_1__model_1 | I(q)

5kni__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) 7 domains

CATH v4.4 (7 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	113

Crystal Structure of the wild-type SAM domain of human Tankyrase-1

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

Tankyrase-1

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

5kni__assembly_1__model_1

5kni__assembly_1__model_1 | I(q)

5kni__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) 7 domains

CATH v4.4 (7 domains)

7. Citations (1)