SAXSdb — 1l6e

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

cAMP-dependent protein kinase Type II-alpha regulatory chain

Mus musculus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	KAP2_MOUSE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–46； UniProt 2–43 Author chain B； PDBConstruct 4–46； UniProt 2–43

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	1l6e
Deposition date deposition_date	2002-03-08
Structure title title	Solution structure of the docking and dimerization domain of protein kinase A II-alpha (RIIalpha D/D). Alternatively called the N-terminal dimerization domain of the regulatory subunit of protein kinase A.
Keywords keywords	Four-helix bundle, helix-loop-helix, regulatory subunit, dimerization, docking, anchoring, TRANSFERASE; TRANSFERASE
Experimental Method method	SOLUTION NMR

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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.

1l6e__assembly_1__model_23

Assembly 1 · Model 23 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1l6e__assembly_1__model_23 | I(q)

100 plotted points; both axes use logarithmic scales.

1l6e__assembly_1__model_23 | P(r) · Pending

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

Rg（Guinier）	16.19 Å
Rg (electron density)	14.27 Å
Total Rg	15.63 Å
Atom count	1526
Residues	92
Excluded volume	13560 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1l6e__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	2	`1l6e__assembly_1__model_2`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	3	`1l6e__assembly_1__model_3`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	4	`1l6e__assembly_1__model_4`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	5	`1l6e__assembly_1__model_5`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	6	`1l6e__assembly_1__model_6`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	7	`1l6e__assembly_1__model_7`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	8	`1l6e__assembly_1__model_8`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	9	`1l6e__assembly_1__model_9`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	10	`1l6e__assembly_1__model_10`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	11	`1l6e__assembly_1__model_11`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	12	`1l6e__assembly_1__model_12`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	13	`1l6e__assembly_1__model_13`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	14	`1l6e__assembly_1__model_14`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	15	`1l6e__assembly_1__model_15`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	16	`1l6e__assembly_1__model_16`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	17	`1l6e__assembly_1__model_17`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	18	`1l6e__assembly_1__model_18`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	19	`1l6e__assembly_1__model_19`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	20	`1l6e__assembly_1__model_20`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	21	`1l6e__assembly_1__model_21`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	22	`1l6e__assembly_1__model_22`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	23	`1l6e__assembly_1__model_23`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	24	`1l6e__assembly_1__model_24`	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 (1)

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1l6ea1
Class class	a — All alpha proteins
Fold Fold fold	a.31 — Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit
Superfamily Superfamily superfamily	a.31.1 — Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit
Family Family family	a.31.1.1 — Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit

Domain ID domain_id	d1l6ea2
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	d1l6eb1
Class class	a — All alpha proteins
Fold Fold fold	a.31 — Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit
Superfamily Superfamily superfamily	a.31.1 — Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit
Family Family family	a.31.1.1 — Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit

Domain ID domain_id	d1l6eb2
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	1l6eA00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	890 — cAMP-dependent Protein Kinase, Chain A
Homologous superfamily homologous superfamily	10 — cAMP-dependent protein kinase regulatory subunit, dimerization-anchoring domain

Domain ID domain_id	1l6eB00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	890 — cAMP-dependent Protein Kinase, Chain A
Homologous superfamily homologous superfamily	10 — cAMP-dependent protein kinase regulatory subunit, dimerization-anchoring domain

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Description description	cAMP-dependent protein kinase Type II-alpha regulatory chain
Molecular weight formula_weight	5398.2 kDa
EC 编号 ec_number	2.7.1.37
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	36624

Source organism organism	Mus musculus
Common name common_name	house mouse
NCBI taxonomy ID ncbi_taxonomy_id	10090
Host organism host_organism	Escherichia coli

Solution structure of the docking and dimerization domain of protein kinase A II-alpha (RIIalpha D/D). Alternatively called the N-terminal dimerization domain of the regulatory subunit of protein kinase A.

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

cAMP-dependent protein kinase Type II-alpha regulatory chain

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

1l6e__assembly_1__model_23

1l6e__assembly_1__model_23 | I(q)

1l6e__assembly_1__model_23 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (3)

Solution structure of the docking and dimerization domain of protein kinase A II-alpha (RIIalpha D/D). Alternatively called the N-terminal dimerization domain of the regulatory subunit of protein kinase A.

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

cAMP-dependent protein kinase Type II-alpha regulatory chain

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

1l6e__assembly_1__model_23

1l6e__assembly_1__model_23 | I(q)

1l6e__assembly_1__model_23 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (3)