SAXSdb — 1a0r

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

TRANSDUCIN (BETA SUBUNIT)

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	TRANSDUCIN (GAMMA SUBUNIT) × 1 （P02698） PHOSDUCIN × 1 （P19632） FARNESYL × 1 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GBB1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain B； PDBConstruct 2–340； UniProt 2–340

TRANSDUCIN (GAMMA SUBUNIT)

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	TRANSDUCIN (BETA SUBUNIT) × 1 （P04901） PHOSDUCIN × 1 （P19632） FARNESYL × 1 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 G； PDBConstruct 1–65； UniProt 1–65

PHOSDUCIN

OrganismNot specified

UniProt P19632

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	TRANSDUCIN (BETA SUBUNIT) × 1 （P04901） TRANSDUCIN (GAMMA SUBUNIT) × 1 （P02698） FARNESYL × 1 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PHOS_BOVIN
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain P； PDBConstruct 1–245； UniProt 1–245

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	1a0r
Deposition date deposition_date	1997-12-05
Structure title title	HETEROTRIMERIC COMPLEX OF PHOSDUCIN/TRANSDUCIN BETA-GAMMA
Keywords keywords	;PHOSDUCIN, TRANSDUCIN, BETA-GAMMA, SIGNAL TRANSDUCTION, REGULATION, PHOSPHORYLATION, G PROTEINS, THIOREDOXIN, VISION, MEKA, COMPLEX (TRANSDUCER-TRANSDUCTION), POST-TRANSLATIONAL MODIFICATION, FARNESYL, FARNESYLATION, COMPLEX (TRANSDUCER-TRANSDUCTION) complex ;; COMPLEX (TRANSDUCER/TRANSDUCTION)
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.

1a0r__assembly_1__model_1

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

Download this curve (.dat)

1a0r__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1a0r__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.12 Å
Rg (electron density)	25.24 Å
Total Rg	26.06 Å
Atom count	4675
Residues	592
Excluded volume	82666 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1a0r__assembly_1__model_1`	trimeric （3）	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	TRANSDUCIN (BETA SUBUNIT)
Molecular weight formula_weight	37325.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B
Atom count atom_count	4696

XSELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHLAKIYAMHWGTDSRLLLSASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACGGLDNICSIYNLKTREGNVRVSRELAGHTGYLSCCRFLDDNQIVTSSGDTTCALWDIETGQQTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDINAICFFPNGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCNVWDALKADRAGVLAGHDNRVSCLGVTDDGMAVATGSWDSFLKIWN

Entity 2 Entity 2 polymer

Description description	TRANSDUCIN (GAMMA SUBUNIT)
Molecular weight formula_weight	7666.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

PVINIEDLTEKDKLKMEVDQLKKEVTLERMLVSKCCEEFRDYVEERSGEDPLVKGIPEDKNPFKE

Entity 3 Entity 3 polymer

Description description	PHOSDUCIN
Molecular weight formula_weight	28268.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	P

MEKAKSQSLEEDFEGQASHTGPKGVINDWRKFKLESEDSDSVAHSKKEILRQMSSPQSRDDKDSKERFSRKMSVQEYELIHKDKEDENCLRKYRRQCMQDMHQKLSFGPRYGFVYELESGEQFLETIEKEQKITTIVVHIYEDGIKGCDALNSSLICLAAEYPMVKFCKIKASNTGAGDRFSSDVLPTLLVYKGGELLSNFISVTEQLAEEFFTGDVESFLNEYGLLPEKEMHVLEQTNMEEDME

Entity 4 Entity 4 non-polymer

Description description	FARNESYL
Molecular weight formula_weight	206.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	21

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6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1a0rb_
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	d1a0rg_
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	d1a0rp_
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	1a0rB00
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	1a0rG00
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	1a0rP01
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	1a0rP02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	168 — Phosducin; domain 2
Homologous superfamily homologous superfamily	10 — Phosducin, domain 2

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Unit-cell length a length_a	76.090 Å
Unit-cell length b length_b	87.910 Å
Unit-cell length c length_c	98.740 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	2.800 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2280
R_work r_work	0.2280
R_free r_free	0.2640

HETEROTRIMERIC COMPLEX OF PHOSDUCIN/TRANSDUCIN BETA-GAMMA

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

TRANSDUCIN (BETA SUBUNIT)

State in the Current Structure

Other States of the Same Protein in the Database

TRANSDUCIN (GAMMA SUBUNIT)

State in the Current Structure

Other States of the Same Protein in the Database

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

1a0r__assembly_1__model_1

1a0r__assembly_1__model_1 | I(q)

1a0r__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

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 (3)

HETEROTRIMERIC COMPLEX OF PHOSDUCIN/TRANSDUCIN BETA-GAMMA

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

TRANSDUCIN (BETA SUBUNIT)

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

TRANSDUCIN (GAMMA SUBUNIT)

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

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

1a0r__assembly_1__model_1

1a0r__assembly_1__model_1 | I(q)

1a0r__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

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 (3)