SAXSdb — 1g6g

▼

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

PROTEIN KINASE RAD53

Saccharomyces cerevisiae

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	SER-LEU-GLU-VAL-TPO-GLU-ALA-ASPALA-THR-PHE-ALA-LYS × 2 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RAD53_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–127； UniProt 29–155 Author chain B； PDBConstruct 1–127； UniProt 29–155

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	1g6g
Deposition date deposition_date	2000-11-06
Structure title title	X-RAY STRUCTURE OF THE N-TERMINAL FHA DOMAIN FROM S. CEREVISIAE RAD53P IN COMPLEX WITH A PHOSPHOTHREONINE PEPTIDE AT 1.6 A RESOLUTION
Keywords keywords	beta-sandwich, phosphopeptide complex, CELL CYCLE; CELL CYCLE
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.

1g6g__assembly_1__model_1

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

Download this curve (.dat)

1g6g__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1g6g__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.26 Å
Rg (electron density)	21.19 Å
Total Rg	22.08 Å
Atom count	2116
Residues	269
Excluded volume	37739 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1g6g__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	PROTEIN KINASE RAD53
Molecular weight formula_weight	14129.1 kDa
EC 编号 ec_number	2.7.1.-
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	2564

GENIVCRVICTTGQIPIRDLSADISQVLKEKRSIKKVWTFGRNPACDYHLGNISRLSNKHFQILLGEDGNLLLNDISTNGTWLNGQKVEKNSNQLLSQGDEITVGVGVESDILSLVIFINDKFKQCL

Source Source

Source organism organism	Saccharomyces cerevisiae
Common name common_name	;baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 polymer

Description description	SER-LEU-GLU-VAL-TPO-GLU-ALA-ASPALA-THR-PHE-ALA-LYS
Molecular weight formula_weight	1462.5 kDa
Source method src_method	syn
Copy count entity_count	2

Polymer Polymer

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

SLEVTEADATFAK

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	441

▼

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1g6ga_
Class class	b — All beta proteins
Fold Fold fold	b.26 — SMAD/FHA domain
Superfamily Superfamily superfamily	b.26.1 — SMAD/FHA domain
Family Family family	b.26.1.2 — FHA domain

Domain ID domain_id	d1g6gb_
Class class	b — All beta proteins
Fold Fold fold	b.26 — SMAD/FHA domain
Superfamily Superfamily superfamily	b.26.1 — SMAD/FHA domain
Family Family family	b.26.1.2 — FHA domain

CATH v4.4 (2 domains)

Domain ID domain_id	1g6gA00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	200 — Tumour Suppressor Smad4
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	1g6gB00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	200 — Tumour Suppressor Smad4
Homologous superfamily homologous superfamily	20 —

▶

Unit-cell length a length_a	33.191 Å
Unit-cell length b length_b	79.609 Å
Unit-cell length c length_c	131.467 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	1.600 Å
Low-resolution limit resolution_low	15.000 Å
R factor r_factor	0.2110
R_work r_work	0.2090
R_free r_free	0.2440

X-RAY STRUCTURE OF THE N-TERMINAL FHA DOMAIN FROM S. CEREVISIAE RAD53P IN COMPLEX WITH A PHOSPHOTHREONINE PEPTIDE AT 1.6 A RESOLUTION

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

PROTEIN KINASE RAD53

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

1g6g__assembly_1__model_1

1g6g__assembly_1__model_1 | I(q)

1g6g__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

X-RAY STRUCTURE OF THE N-TERMINAL FHA DOMAIN FROM S. CEREVISIAE RAD53P IN COMPLEX WITH A PHOSPHOTHREONINE PEPTIDE AT 1.6 A RESOLUTION

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

PROTEIN KINASE RAD53

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

1g6g__assembly_1__model_1

1g6g__assembly_1__model_1 | I(q)

1g6g__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)