SAXSdb — 4tpp

▼

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

;cAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10A ;

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	ZINC ION × 6 SULFATE ION × 21 GLYCEROL × 3 1-[4-(3-{[1-(quinolin-2-yl)azetidin-3-yl]oxy}quinoxalin-2-yl)piperidin-1-yl]ethanone × 3 water × 3	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 3	ZINC ION × 6 SULFATE ION × 12 1-[4-(3-{[1-(quinolin-2-yl)azetidin-3-yl]oxy}quinoxalin-2-yl)piperidin-1-yl]ethanone × 3 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PDE10_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 14–351； UniProt 452–789 Author chain B； PDBConstruct 14–351； UniProt 452–789

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	4tpp
Deposition date deposition_date	2014-06-09
Structure title title	2-(3-alkoxy-1-azetidinyl) quinolines as novel PDE10A inhibitors
Keywords keywords	Phosphodiesterase 10A, Quinolines, Hydrolase-Hydrolase Inhibitor complex; Hydrolase/Hydrolase Inhibitor
Experimental Method method	X-RAY DIFFRACTION

▼

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.

4tpp__assembly_1__model_1

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

Download this curve (.dat)

4tpp__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4tpp__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	32.14 Å
Rg (electron density)	31.25 Å
Total Rg	31.91 Å
Atom count	7656
Residues	915
Excluded volume	136420 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4tpp__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`4tpp__assembly_2__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Description description	;cAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10A ;
Molecular weight formula_weight	40575.4 kDa
EC 编号 ec_number	3.1.4.17,3.1.4.35
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	5198

MKHHHHHHHDEVDTSEEWQGLMQFTLPVRLCKEIELFHFDIGPFENMWPGIFVYMVHRSCGTSCFELEKLCRFIMSVKKNYRRVPYHNWKHAVTVAHCMYAILQNNHTLFTDLERKGLLIACLCHDLDHRGFSNSYLQKFDHPLAALYSTSTMEQHHFSQTVSILQLEGHNIFSTLSSSEYEQVLEIIRKAIIATDLALYFGNRKQLEEMYQTGSLNLNNQSHRDRVIGLMMTACDLCSVTKLWPVTKLTANDIYAEFWAEGDEMKKLGIQPIPMMDRDKKDEVPQGQLGFYNAVAIPCYTTLTQILPPTEPLLKACRDNLSQWEKVIRGEETATWISSPSVAQKAAASED

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	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	11

Entity 4 Entity 4 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	1-[4-(3-{[1-(quinolin-2-yl)azetidin-3-yl]oxy}quinoxalin-2-yl)piperidin-1-yl]ethanone
Molecular weight formula_weight	453.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	102

▼

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d4tppa_
Class class	a — All alpha proteins
Fold Fold fold	a.211 — HD-domain/PDEase-like
Superfamily Superfamily superfamily	a.211.1 — HD-domain/PDEase-like
Family Family family	a.211.1.0 — automated matches

Domain ID domain_id	d4tppb_
Class class	a — All alpha proteins
Fold Fold fold	a.211 — HD-domain/PDEase-like
Superfamily Superfamily superfamily	a.211.1 — HD-domain/PDEase-like
Family Family family	a.211.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id	4tppA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1300 — Catalytic domain of cyclic nucleotide phosphodiesterase 4b2b
Homologous superfamily homologous superfamily	10 — 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain

Domain ID domain_id	4tppB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1300 — Catalytic domain of cyclic nucleotide phosphodiesterase 4b2b
Homologous superfamily homologous superfamily	10 — 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain

▶

Unit-cell length a length_a	253.216 Å
Unit-cell length b length_b	253.216 Å
Unit-cell length c length_c	253.216 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	96

Space group space_group	F 2 3
Space-group number int_tables_number	196
Crystal system crystal_system	—

Resolution resolution	2.650 Å
Low-resolution limit resolution_low	48.731 Å
R factor r_factor	0.1697
R_work r_work	0.1671
R_free r_free	0.1977

2-(3-alkoxy-1-azetidinyl) quinolines as novel PDE10A inhibitors

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

;cAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10A ;

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

4tpp__assembly_1__model_1

4tpp__assembly_1__model_1 | I(q)

4tpp__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

2-(3-alkoxy-1-azetidinyl) quinolines as novel PDE10A inhibitors

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

;cAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10A ;

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

4tpp__assembly_1__model_1

4tpp__assembly_1__model_1 | I(q)

4tpp__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)