SAXSdb — 1wc4

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

ADENYLATE CYCLASE

SPIRULINA PLATENSIS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER × 2 EUROPIUM (III) ION × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	O32393
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 22–219； UniProt 1005–1202 Author chain B； PDBConstruct 22–219； UniProt 1005–1202

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	1wc4
Deposition date deposition_date	2004-11-08
Structure title title	Soluble adenylyl cyclase CyaC from S. platensis in complex with alpha, beta-methylene-ATP and Europium
Keywords keywords	CYCLASE, SOLUBLE ADENYLYL CYCLASE, CAMP SIGNALING, LYASE; LYASE
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.

1wc4__assembly_1__model_1

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

Download this curve (.dat)

1wc4__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1wc4__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.05 Å
Rg (electron density)	21.11 Å
Total Rg	21.83 Å
Atom count	3105
Residues	396
Excluded volume	55229 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1wc4__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 (4)

Entity 1 Entity 1 polymer

Description description	ADENYLATE CYCLASE
Molecular weight formula_weight	24189.7 kDa
EC 编号 ec_number	4.6.1.1
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	3107

MGSSHHHHHHSSGLVPRGSHMRPEPRLITILFSDIVGFTRMSNALQSQGVAELLNEYLGEMTRAVFENQGTVDKFVGDAIMALYGAPEEMSPSEQVRRAIATARQMLVALEKLNQGWQERGLVGRNEVPPVRFRCGIHQGMAVVGLFGSQERSDFTAIGPSVNIAARLQEATAPNSIMVSAMVAQYVPDEEIIKREFLELKGIDEPVMTCVINPNMLNQ

Source Source

Source organism organism	SPIRULINA PLATENSIS
NCBI taxonomy ID ncbi_taxonomy_id	118562
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 non-polymer

Description description	DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER
Molecular weight formula_weight	505.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	EUROPIUM (III) ION
Molecular weight formula_weight	152.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	2

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1wc4a1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.29 — Nucleotide cyclase
Family Family family	d.58.29.1 — Adenylyl and guanylyl cyclase catalytic domain

Domain ID domain_id	d1wc4a2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d1wc4b1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.29 — Nucleotide cyclase
Family Family family	d.58.29.1 — Adenylyl and guanylyl cyclase catalytic domain

Domain ID domain_id	d1wc4b2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id	1wc4A00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1230 — Nucleotide cyclase, GGDEF domain

Domain ID domain_id	1wc4B00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1230 — Nucleotide cyclase, GGDEF domain

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Unit-cell length a length_a	53.601 Å
Unit-cell length b length_b	70.202 Å
Unit-cell length c length_c	99.654 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	3.000 Å
Low-resolution limit resolution_low	14.910 Å
R factor r_factor	0.2740
R_work r_work	0.2740
R_free r_free	0.3150

Soluble adenylyl cyclase CyaC from S. platensis in complex with alpha, beta-methylene-ATP and Europium

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

ADENYLATE CYCLASE

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

1wc4__assembly_1__model_1

1wc4__assembly_1__model_1 | I(q)

1wc4__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Soluble adenylyl cyclase CyaC from S. platensis in complex with alpha, beta-methylene-ATP and Europium

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

ADENYLATE CYCLASE

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

1wc4__assembly_1__model_1

1wc4__assembly_1__model_1 | I(q)

1wc4__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (1)