7qql

The PDZ domain of SNTG2 complexed with the phosphorylated PDZ-binding motif of RSK1

Method: X-RAY DIFFRACTION

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

Gamma-2-syntrophin,Annexin A2

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 2	Ribosomal protein S6 kinase alpha-1 × 1 （Q15418） CALCIUM ION × 5 GLYCEROL × 1 water × 1	Consistent with protein count
2	Insufficient information	Heteromer	Protein 2	Ribosomal protein S6 kinase alpha-1 × 1 （Q15418） CALCIUM ION × 4 GLYCEROL × 1 water × 1	Consistent with protein count
3	Insufficient information	Heteromer	Protein 2	Ribosomal protein S6 kinase alpha-1 × 1 （Q15418） CALCIUM ION × 5 GLYCEROL × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ANXA2_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 98–408； UniProt 29–339 Author chain B； PDBConstruct 98–408； UniProt 29–339 Author chain C； PDBConstruct 98–408； UniProt 29–339

Gamma-2-syntrophin,Annexin A2

Homo sapiens

UniProt Q9NY99

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 2	Ribosomal protein S6 kinase alpha-1 × 1 （Q15418） CALCIUM ION × 5 GLYCEROL × 1 water × 1	Consistent with protein count
2	Insufficient information	Heteromer	Protein 2	Ribosomal protein S6 kinase alpha-1 × 1 （Q15418） CALCIUM ION × 4 GLYCEROL × 1 water × 1	Consistent with protein count
3	Insufficient information	Heteromer	Protein 2	Ribosomal protein S6 kinase alpha-1 × 1 （Q15418） CALCIUM ION × 5 GLYCEROL × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SNTG2_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 6–95； UniProt 70–159 Author chain B； PDBConstruct 6–95； UniProt 70–159 Author chain C； PDBConstruct 6–95； UniProt 70–159

Ribosomal protein S6 kinase alpha-1

OrganismNot specified

UniProt Q15418

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 2	Gamma-2-syntrophin,Annexin A2 × 1 （P07355,Q9NY99） CALCIUM ION × 5 GLYCEROL × 1 water × 1	Consistent with protein count
2	Insufficient information	Heteromer	Protein 2	Gamma-2-syntrophin,Annexin A2 × 1 （P07355,Q9NY99） CALCIUM ION × 4 GLYCEROL × 1 water × 1	Consistent with protein count
3	Insufficient information	Heteromer	Protein 2	Gamma-2-syntrophin,Annexin A2 × 1 （P07355,Q9NY99） CALCIUM ION × 5 GLYCEROL × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	KS6A1_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain D； PDBConstruct 1–11； UniProt 725–735 Author chain E； PDBConstruct 1–11； UniProt 725–735 Author chain F； PDBConstruct 1–11； UniProt 725–735

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	7qql
Deposition date deposition_date	2022-01-10
Structure title title	The PDZ domain of SNTG2 complexed with the phosphorylated PDZ-binding motif of RSK1
Keywords keywords	PDZ, linear motif, crystallization chaperone, PEPTIDE BINDING PROTEIN; PEPTIDE BINDING PROTEIN
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.

7qql__assembly_1__model_1

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

Download this curve (.dat)

7qql__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7qql__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.39 Å
Rg (electron density)	25.85 Å
Total Rg	26.50 Å
Atom count	3205
Residues	400
Excluded volume	57211 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7qql__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`7qql__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`7qql__assembly_3__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 (5)

Entity 1 Entity 1 polymer

Description description	Gamma-2-syntrophin,Annexin A2
Molecular weight formula_weight	46138.4 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,A,B
Atom count atom_count	9838

GSHMGNRRTVTLRRQPVGGLGLSIKGGSEHNVPVVISKIFEDQAADQTGMLFVGDAVLQVNGIHVENATHEEVVHLLRNAGDEVTITVEYLREAPGSAYTNFDAERDALNIETAIKTKGVDEVTIVNILTNRSNEQRQDIAFAYQRRTKKELASALKSALSGHLETVILGLLKTPAQYDASELKASMKGLGTDEDSLIEIICSRTNQELQEINRVYKEMYKTDLEKDIISDTSGDFRKLMVALAKGRRAEDGSVIDYELIDQDARDLYDAGVKRKGTDVPKWISIMTERSVPHLQKVFDRYKSYSPYDMLESIRKEVKGDLENAFLNLVQCIQNKPLYFADRLYDSMKGKGTRDKVLIRIMVSRSEVDMLKIRSEFKRKYGKSLYYYIQQDTKGDYQKALLYLCGGDD

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 polymer

Description description	Ribosomal protein S6 kinase alpha-1
Molecular weight formula_weight	1410.6 kDa
EC 编号 ec_number	2.7.11.1
Source method src_method	syn
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F,D,E

RRVRKLPSTTL

Entity 3 Entity 3 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	nat
Copy count entity_count	14

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	3

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	223

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6. Fold Classification (SCOP + CATH) 15 domains

CATH v4.4 (15 domains)

Domain ID domain_id	7qqlA01
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	42 — Pdz3 Domain
Homologous superfamily homologous superfamily	10 — PDZ domain

Domain ID domain_id	7qqlA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	7qqlA03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	7qqlA04
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	7qqlA05
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	7qqlB01
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	42 — Pdz3 Domain
Homologous superfamily homologous superfamily	10 — PDZ domain

Domain ID domain_id	7qqlB02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	7qqlB03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	7qqlB04
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	7qqlB05
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	7qqlC01
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	42 — Pdz3 Domain
Homologous superfamily homologous superfamily	10 — PDZ domain

Domain ID domain_id	7qqlC02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	7qqlC03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	7qqlC04
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	7qqlC05
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

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Unit-cell length a length_a	97.460 Å
Unit-cell length b length_b	60.550 Å
Unit-cell length c length_c	135.210 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	92.42 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	6

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

Resolution resolution	2.440 Å
Low-resolution limit resolution_low	48.416 Å
R factor r_factor	0.1970
R_work r_work	0.1953
R_free r_free	0.2295

The PDZ domain of SNTG2 complexed with the phosphorylated PDZ-binding motif of RSK1

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

Gamma-2-syntrophin,Annexin A2

State in the Current Structure

Other States of the Same Protein in the Database

Gamma-2-syntrophin,Annexin A2

State in the Current Structure

Other States of the Same Protein in the Database

Ribosomal protein S6 kinase alpha-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

7qql__assembly_1__model_1

7qql__assembly_1__model_1 | I(q)

7qql__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 15 domains

CATH v4.4 (15 domains)

7. Citations (1)

The PDZ domain of SNTG2 complexed with the phosphorylated PDZ-binding motif of RSK1

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

Gamma-2-syntrophin,Annexin A2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Gamma-2-syntrophin,Annexin A2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Ribosomal protein S6 kinase alpha-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

7qql__assembly_1__model_1

7qql__assembly_1__model_1 | I(q)

7qql__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 15 domains

CATH v4.4 (15 domains)

7. Citations (1)