SAXSdb — 2yka

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

RNA AND EXPORT FACTOR-BINDING PROTEIN 2

MUS MUSCULUS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	52 KDA IMMEDIATE-EARLY PHOSPHOPROTEIN × 1 （P13199）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	REFP2_MOUSE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 14–116； UniProt 53–155

52 KDA IMMEDIATE-EARLY PHOSPHOPROTEIN

SAIMIRIINE HERPESVIRUS 2

UniProt P13199

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	RNA AND EXPORT FACTOR-BINDING PROTEIN 2 × 1 （Q9JJW6）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IE63_SHV21
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 6–23； UniProt 103–120

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	2yka
Deposition date deposition_date	2011-05-26
Structure title title	RRM domain of mRNA export adaptor REF2-I bound to HVS ORF57 peptide
Keywords keywords	RNA BINDING PROTEIN-TRANSCRIPTION COMPLEX, RNA BINDING PROTEIN; RNA BINDING PROTEIN/TRANSCRIPTION
Experimental Method method	SOLUTION NMR

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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.

2yka__assembly_1__model_12

Assembly 1 · Model 12 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2yka__assembly_1__model_12 | I(q)

100 plotted points; both axes use logarithmic scales.

2yka__assembly_1__model_12 | P(r) · Pending

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

Rg（Guinier）	20.49 Å
Rg (electron density)	19.39 Å
Total Rg	20.52 Å
Atom count	2202
Residues	147
Excluded volume	19555 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2yka__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	2	`2yka__assembly_1__model_2`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	3	`2yka__assembly_1__model_3`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	4	`2yka__assembly_1__model_4`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	5	`2yka__assembly_1__model_5`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	6	`2yka__assembly_1__model_6`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	7	`2yka__assembly_1__model_7`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	8	`2yka__assembly_1__model_8`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	9	`2yka__assembly_1__model_9`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	10	`2yka__assembly_1__model_10`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	11	`2yka__assembly_1__model_11`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	12	`2yka__assembly_1__model_12`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	13	`2yka__assembly_1__model_13`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	14	`2yka__assembly_1__model_14`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	15	`2yka__assembly_1__model_15`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	16	`2yka__assembly_1__model_16`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	17	`2yka__assembly_1__model_17`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	18	`2yka__assembly_1__model_18`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	19	`2yka__assembly_1__model_19`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	20	`2yka__assembly_1__model_20`	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 (2)

Entity 1 Entity 1 polymer

Description description	RNA AND EXPORT FACTOR-BINDING PROTEIN 2
Molecular weight formula_weight	13596.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	44040

MASMTGGQQMGRDPDKWQHDLFDSGCGGGEGVETGAKLLVSNLDFGVSDADIQELFAEFGTLKKAAVDYDRSGRSLGTADVHFERRADALKAMKQYKGVPLDGRPMDIQLVASQIDLEHHHHHH

Source Source

Source organism organism	MUS MUSCULUS
Common name common_name	HOUSE MOUSE
NCBI taxonomy ID ncbi_taxonomy_id	10090
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 polymer

Description description	52 KDA IMMEDIATE-EARLY PHOSPHOPROTEIN
Molecular weight formula_weight	2507.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

GPLGSSCKTSWADRVREAAAQRR

Source Source

Source organism organism	SAIMIRIINE HERPESVIRUS 2
Common name common_name	HVS
NCBI taxonomy ID ncbi_taxonomy_id	10381
Host organism host_organism	ESCHERICHIA COLI

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id	2ykaA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	330 — RRM (RNA recognition motif) domain

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 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	1

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

RRM domain of mRNA export adaptor REF2-I bound to HVS ORF57 peptide

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

RNA AND EXPORT FACTOR-BINDING PROTEIN 2

State in the Current Structure

Other States of the Same Protein in the Database

52 KDA IMMEDIATE-EARLY PHOSPHOPROTEIN

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

2yka__assembly_1__model_12

2yka__assembly_1__model_12 | I(q)

2yka__assembly_1__model_12 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)

RRM domain of mRNA export adaptor REF2-I bound to HVS ORF57 peptide

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

RNA AND EXPORT FACTOR-BINDING PROTEIN 2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

52 KDA IMMEDIATE-EARLY PHOSPHOPROTEIN

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

2yka__assembly_1__model_12

2yka__assembly_1__model_12 | I(q)

2yka__assembly_1__model_12 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)