SAXSdb — 6cyc

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

;cGMP-dependent 3',5'-cyclic phosphodiesterase ;

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	ZINC ION × 2 MAGNESIUM ION × 2 3-(hydroxymethyl)-1-{(1S)-1-[4-(trifluoromethyl)phenyl]ethyl}-1H-pyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione × 2 1,2-ETHANEDIOL × 11 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PDE2A_HUMAN
Isoform	O00408-5
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 32–373； UniProt 322–663 Author chain B； PDBConstruct 32–373； UniProt 322–663

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	6cyc
Deposition date deposition_date	2018-04-05
Structure title title	PDE2 in complex with compound 5
Keywords keywords	PDE2, inhibition, structure-guided design, HYDROLASE-HYDROLASE INHIBITOR complex; HYDROLASE/HYDROLASE INHIBITOR
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.

6cyc__assembly_1__model_1

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

Download this curve (.dat)

6cyc__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6cyc__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	28.79 Å
Rg (electron density)	28.09 Å
Total Rg	28.68 Å
Atom count	5638
Residues	691
Excluded volume	100340 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6cyc__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 (6)

Entity 1 Entity 1 polymer

Description description	;cGMP-dependent 3',5'-cyclic phosphodiesterase ;
Molecular weight formula_weight	43694.8 kDa
EC 编号 ec_number	3.1.4.17
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	6106

MHHHHHHENLYFQGELSTSLYKKAGFDDDDKSDDEYTKLLHDGIQPVAAIDSNFASFTYTPRSLPEDDTSMAILSMLQDMNFINNYKIDCPTLARFCLMVKKGYRDPPYHNWMHAFSVSHFCYLLYKNLELTNYLEDIEIFALFISCMCHDLDHRGTNNSFQVASKSVLAALYSSEGSVMERHHFAQAIAILNTHGCNIFDHFSRKDYQRMLDLMRDIILATDLAHHLRIFKDLQKMAEVGYDRNNKQHHRLLLCLLMTSCDLSDQTKGWKTTRKIAELIYKEFFSQGDLEKAMGNRPMEMMDREKAYIPELQISFMEHIAMPIYKLLQDLFPKAAELYERVASNREHWTKVSHKFTIRGLPSNNSLDFLDEE

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Spodoptera frugiperda

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	2

Entity 3 Entity 3 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	3-(hydroxymethyl)-1-{(1S)-1-[4-(trifluoromethyl)phenyl]ethyl}-1H-pyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione
Molecular weight formula_weight	354.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	11

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	400

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	6cycA00
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	6cycB00
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

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Unit-cell length a length_a	72.250 Å
Unit-cell length b length_b	96.410 Å
Unit-cell length c length_c	101.650 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	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.540 Å
Low-resolution limit resolution_low	38.170 Å
R factor r_factor	0.1860
R_work r_work	0.1850
R_free r_free	0.2050

PDE2 in complex with compound 5

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

;cGMP-dependent 3',5'-cyclic phosphodiesterase ;

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

6cyc__assembly_1__model_1

6cyc__assembly_1__model_1 | I(q)

6cyc__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) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

PDE2 in complex with compound 5

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

;cGMP-dependent 3',5'-cyclic phosphodiesterase ;

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

6cyc__assembly_1__model_1

6cyc__assembly_1__model_1 | I(q)

6cyc__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) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)