SAXSdb — 1gmj

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

ATPASE INHIBITOR

BOS TAURUS

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
2	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	IATP_BOVIN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–84； UniProt 26–109 Author chain B； PDBConstruct 1–84； UniProt 26–109 Author chain C； PDBConstruct 1–84； UniProt 26–109 Author chain D； PDBConstruct 1–84； UniProt 26–109

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	1gmj
Deposition date deposition_date	2001-09-14
Structure title title	The structure of bovine IF1, the regulatory subunit of mitochondrial F-ATPase
Keywords keywords	ATPASE INHIBITOR, BOVINE F1-ATPASE INHIBITOR PROTEIN, COILED-COIL STRUCTURE, P DEPENDENT OLIGOMERIZATION, ATP HYDROLYSIS; ATPASE INHIBITOR
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.

1gmj__assembly_1__model_1

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

Download this curve (.dat)

1gmj__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1gmj__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	31.71 Å
Rg (electron density)	33.85 Å
Total Rg	32.72 Å
Atom count	1055
Residues	125
Excluded volume	18527 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1gmj__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1gmj__assembly_2__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 (1)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1gmja_
Class class	h — Coiled coil proteins
Fold Fold fold	h.4 — Antiparallel coiled-coil
Superfamily Superfamily superfamily	h.4.8 — F1 ATPase inhibitor, IF1, C-terminal domain
Family Family family	h.4.8.1 — F1 ATPase inhibitor, IF1, C-terminal domain

Domain ID domain_id	d1gmjb_
Class class	h — Coiled coil proteins
Fold Fold fold	h.4 — Antiparallel coiled-coil
Superfamily Superfamily superfamily	h.4.8 — F1 ATPase inhibitor, IF1, C-terminal domain
Family Family family	h.4.8.1 — F1 ATPase inhibitor, IF1, C-terminal domain

Domain ID domain_id	d1gmjc_
Class class	h — Coiled coil proteins
Fold Fold fold	h.4 — Antiparallel coiled-coil
Superfamily Superfamily superfamily	h.4.8 — F1 ATPase inhibitor, IF1, C-terminal domain
Family Family family	h.4.8.1 — F1 ATPase inhibitor, IF1, C-terminal domain

Domain ID domain_id	d1gmjd_
Class class	h — Coiled coil proteins
Fold Fold fold	h.4 — Antiparallel coiled-coil
Superfamily Superfamily superfamily	h.4.8 — F1 ATPase inhibitor, IF1, C-terminal domain
Family Family family	h.4.8.1 — F1 ATPase inhibitor, IF1, C-terminal domain

CATH v4.4 (4 domains)

Domain ID domain_id	1gmjA00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	500 — Single helix bin

Domain ID domain_id	1gmjB00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	500 — Single helix bin

Domain ID domain_id	1gmjC00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	500 — Single helix bin

Domain ID domain_id	1gmjD00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	500 — Single helix bin

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Unit-cell length a length_a	32.010 Å
Unit-cell length b length_b	53.290 Å
Unit-cell length c length_c	156.940 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	95.89 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

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

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	26.000 Å
R factor r_factor	0.2580
R_work r_work	0.2580
R_free r_free	0.2800

Description description	ATPASE INHIBITOR
Molecular weight formula_weight	9595.6 kDa
Mutation mutation	YES
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	2037

The structure of bovine IF1, the regulatory subunit of mitochondrial F-ATPase

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

ATPASE INHIBITOR

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

1gmj__assembly_1__model_1

1gmj__assembly_1__model_1 | I(q)

1gmj__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (3)

Source organism organism	BOS TAURUS
Common name common_name	BOVINE
NCBI taxonomy ID ncbi_taxonomy_id	9913
Host organism host_organism	ESCHERICHIA COLI BL21(DE3)

The structure of bovine IF1, the regulatory subunit of mitochondrial F-ATPase

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

ATPASE INHIBITOR

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

1gmj__assembly_1__model_1

1gmj__assembly_1__model_1 | I(q)

1gmj__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (3)