SAXSdb — 2ca6

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

RAN GTPASE-ACTIVATING PROTEIN 1

SCHIZOSACCHAROMYCES POMBE

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	SULFATE ION × 4 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RNA1_SCHPO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–386； UniProt 1–386 Author chain B； PDBConstruct 1–386； UniProt 1–386

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	2ca6
Deposition date deposition_date	2005-12-17
Structure title title	MIRAS structure determination from hemihedrally twinned crystals
Keywords keywords	;GAP, GTPASE ACTIVATION, GTPASE-ACTIVATING PROTEIN, HEMIHEDRAL TWINNING, LEUCINE-RICH REPEAT PROTEIN, LRR, MEROHEDRAL TWINNING, MEROHEDRY, RANGAP, RNA1P, SIGNALING PROTEIN, SIGNALING ACTIVATOR, NUCLEAR TRANSPORT, SIGNALING REGULATOR ;; SIGNALING REGULATOR
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.

2ca6__assembly_1__model_1

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

Download this curve (.dat)

2ca6__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2ca6__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.48 Å
Rg (electron density)	22.52 Å
Total Rg	23.33 Å
Atom count	2690
Residues	344
Excluded volume	48010 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2ca6__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2ca6__assembly_2__model_1`	monomeric （1）	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 (3)

Entity 1 Entity 1 polymer

Description description	RAN GTPASE-ACTIVATING PROTEIN 1
Molecular weight formula_weight	43272.7 kDa
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	5673

MARFSIEGKSLKLDAITTEDEKSVFAVLLEDDSVKEIVLSGNTIGTEAARWLSENIASKKDLEIAEFSDIFTGRVKDEIPEALRLLLQALLKCPKLHTVRLSDNAFGPTAQEPLIDFLSKHTPLEHLYLHNNGLGPQAGAKIARALQELAVNKKAKNAPPLRSIICGRNRLENGSMKEWAKTFQSHRLLHTVKMVQNGIRPEGIEHLLLEGLAYCQELKVLDLQDNTFTHLGSSALAIALKSWPNLRELGLNDCLLSARGAAAVVDAFSKLENIGLQTLRLQYNEIELDAVRTLKTVIDEKMPDLLFLELNGNRFSEEDDVVDEIREVFSTRGRGELDELDDMEELTDEEEEDEEEEAESQSPEPETSEEEKEDKELADELSKAHI

Source Source

Source organism organism	SCHIZOSACCHAROMYCES POMBE
Common name common_name	FISSION YEAST
NCBI taxonomy ID ncbi_taxonomy_id	4896
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	273

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2ca6a_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Superfamily Superfamily superfamily	c.10.1 — RNI-like
Family Family family	c.10.1.2 — Rna1p (RanGAP1), N-terminal domain

Domain ID domain_id	d2ca6b_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Superfamily Superfamily superfamily	c.10.1 — RNI-like
Family Family family	c.10.1.2 — Rna1p (RanGAP1), N-terminal domain

CATH v4.4 (2 domains)

Domain ID domain_id	2ca6A00
Class class	3 — Alpha Beta
Architecture architecture	80 — Alpha-Beta Horseshoe
Topology topology	10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Homologous superfamily homologous superfamily	10 — Ribonuclease Inhibitor

Domain ID domain_id	2ca6B00
Class class	3 — Alpha Beta
Architecture architecture	80 — Alpha-Beta Horseshoe
Topology topology	10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Homologous superfamily homologous superfamily	10 — Ribonuclease Inhibitor

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Unit-cell length a length_a	175.210 Å
Unit-cell length b length_b	175.210 Å
Unit-cell length c length_c	55.850 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	16

Space group space_group	I 41
Space-group number int_tables_number	80
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	31.000 Å
R factor r_factor	—
R_work r_work	0.1651
R_free r_free	0.2182

MIRAS structure determination from hemihedrally twinned crystals

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

RAN GTPASE-ACTIVATING PROTEIN 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

2ca6__assembly_1__model_1

2ca6__assembly_1__model_1 | I(q)

2ca6__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 non-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 (3)

MIRAS structure determination from hemihedrally twinned crystals

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

RAN GTPASE-ACTIVATING PROTEIN 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

2ca6__assembly_1__model_1

2ca6__assembly_1__model_1 | I(q)

2ca6__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 non-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 (3)