SAXSdb — 1b9x

▼

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

PROTEIN (TRANSDUCIN)

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	PROTEIN (TRANSDUCIN) × 1 （P02698） PROTEIN (PHOSDUCIN) × 1 （P20942） GADOLINIUM ATOM × 6 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GBB1_BOVIN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–340； UniProt 1–340

PROTEIN (TRANSDUCIN)

OrganismNot specified

UniProt P02698

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	PROTEIN (TRANSDUCIN) × 1 （P62871） PROTEIN (PHOSDUCIN) × 1 （P20942） GADOLINIUM ATOM × 6 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GBG1_BOVIN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–68； UniProt 1–67

PROTEIN (PHOSDUCIN)

Rattus norvegicus

UniProt P20942

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	PROTEIN (TRANSDUCIN) × 1 （P62871） PROTEIN (TRANSDUCIN) × 1 （P02698） GADOLINIUM ATOM × 6 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PHOS_RAT
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–246； UniProt 1–246

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	1b9x
Deposition date deposition_date	1999-02-16
Structure title title	STRUCTURAL ANALYSIS OF PHOSDUCIN AND ITS PHOSPHORYLATION-REGULATED INTERACTION WITH TRANSDUCIN
Keywords keywords	;PHOSDUCIN, TRANSDUCIN, BETA-GAMMA, SIGNAL TRANSDUCTION, REGULATION, PHOSPHORYLATION, G PROTEINS, THIOREDOXIN, VISION, MEKA, COMPLEX (TRANSDUCER- TRANSDUCTION), SIGNALING PROTEIN ;; SIGNALING PROTEIN
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.

1b9x__assembly_1__model_1

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

Download this curve (.dat)

1b9x__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1b9x__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.29 Å
Rg (electron density)	25.43 Å
Total Rg	26.25 Å
Atom count	4520
Residues	577
Excluded volume	79970 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1b9x__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	PROTEIN (TRANSDUCIN)
Molecular weight formula_weight	37431.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	4538

MSELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHLAKIYAMHWGTDSRLLLSASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACGGLDNICSIYNLKTREGNVRVSRELAGHTGYLSCCRFLDDNQIVTSSGDTTCALWDIETGQQTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDINAICFFPNGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCNVWDALKADRAGVLAGHDNRVSCLGVTDDGMAVATGSWDSFLKIWN

Entity 2 Entity 2 polymer

Description description	PROTEIN (TRANSDUCIN)
Molecular weight formula_weight	8040.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MPVINIEDLTEKDKLKMEVDQLKKEVTLERMLVSKCCEEFRDYVEERSGEDPLVKGIPEDKNPFKELK

Entity 3 Entity 3 polymer

Description description	PROTEIN (PHOSDUCIN)
Molecular weight formula_weight	28204.3 kDa
Mutation mutation	S73E
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MEEAASQSLEEDFEGQATHTGPKGVINDWRKFKLESEDGDSIPPSKKEILRQMSSPQSRDDKDSKERMSRKMEIQEYELIHQDKEDEGCLRKYRRQCMQDMHQKLSFGPRYGFVYELETGEQFLETIEKEQKVTTIVVNIYEDGVRGCDALNSSLECLAAEYPMVKFCKIRASNTGAGDRFSSDVLPTLLVYKGGELISNFISVAEQFAEDFFAADVESFLNEYGLLPEREIHDLGQTNTEDEDIE

Source Source

Source organism organism	Rattus norvegicus
Common name common_name	Norway rat
NCBI taxonomy ID ncbi_taxonomy_id	10116
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 4 Entity 4 non-polymer

Description description	GADOLINIUM ATOM
Molecular weight formula_weight	157.2 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	18

▼

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1b9xa_
Class class	b — All beta proteins
Fold Fold fold	b.69 — 7-bladed beta-propeller
Superfamily Superfamily superfamily	b.69.4 — WD40 repeat-like
Family Family family	b.69.4.1 — WD40-repeat

Domain ID domain_id	d1b9xb_
Class class	a — All alpha proteins
Fold Fold fold	a.137 — Non-globular all-alpha subunits of globular proteins
Superfamily Superfamily superfamily	a.137.3 — Transducin (heterotrimeric G protein), gamma chain
Family Family family	a.137.3.1 — Transducin (heterotrimeric G protein), gamma chain

Domain ID domain_id	d1b9xc_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.47 — Thioredoxin fold
Superfamily Superfamily superfamily	c.47.1 — Thioredoxin-like
Family Family family	c.47.1.6 — Phosducin

CATH v4.4 (4 domains)

Domain ID domain_id	1b9xA00
Class class	2 — Mainly Beta
Architecture architecture	130 — 7 Propeller
Topology topology	10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily	10 — YVTN repeat-like/Quinoprotein amine dehydrogenase

Domain ID domain_id	1b9xB00
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	260 — G Protein Gi Gamma 2
Homologous superfamily homologous superfamily	10 — Transducin (heterotrimeric G protein), gamma chain

Domain ID domain_id	1b9xC01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	30 — Glutaredoxin
Homologous superfamily homologous superfamily	10 — Glutaredoxin

Domain ID domain_id	1b9xC02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	168 — Phosducin; domain 2
Homologous superfamily homologous superfamily	10 — Phosducin, domain 2

▶

Unit-cell length a length_a	76.040 Å
Unit-cell length b length_b	89.330 Å
Unit-cell length c length_c	100.150 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	4

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	50.000 Å
R factor r_factor	—
R_work r_work	0.2170
R_free r_free	0.2610

STRUCTURAL ANALYSIS OF PHOSDUCIN AND ITS PHOSPHORYLATION-REGULATED INTERACTION WITH TRANSDUCIN

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

PROTEIN (TRANSDUCIN)

State in the Current Structure

Other States of the Same Protein in the Database

PROTEIN (TRANSDUCIN)

State in the Current Structure

Other States of the Same Protein in the Database

PROTEIN (PHOSDUCIN)

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

1b9x__assembly_1__model_1

1b9x__assembly_1__model_1 | I(q)

1b9x__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

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

CATH v4.4 (4 domains)

7. Citations (2)

STRUCTURAL ANALYSIS OF PHOSDUCIN AND ITS PHOSPHORYLATION-REGULATED INTERACTION WITH TRANSDUCIN

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

PROTEIN (TRANSDUCIN)

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PROTEIN (TRANSDUCIN)

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PROTEIN (PHOSDUCIN)

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

1b9x__assembly_1__model_1

1b9x__assembly_1__model_1 | I(q)

1b9x__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

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

CATH v4.4 (4 domains)

7. Citations (2)