2kxn

NMR structure of human Tra2beta1 RRM in complex with AAGAAC RNA

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Transformer-2 protein homolog beta

Homo sapiens

UniProt P62995

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Monomer Protein 1 RNA 1 5'-R(*AP*AP*GP*AP*AP*C)-3' × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name TRA2B_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 35–129; UniProt 106–200

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_id2kxn
Deposition date deposition_date2010-05-10
Structure title titleNMR structure of human Tra2beta1 RRM in complex with AAGAAC RNA
Keywords keywordsSR protein, RRM, splicing factor, RNA protein complex, SMN, RNA binding protein-RNA complex; RNA binding protein/RNA
Experimental Method methodSOLUTION 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.

2kxn__assembly_1__model_12

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

Download this curve (.dat)

2kxn__assembly_1__model_12 | I(q)

10-2 10-1 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2kxn__assembly_1__model_12 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)15.04 Å
Rg (electron density)13.75 Å
Total Rg14.94 Å
Atom count1712
Residues101
Excluded volume15235 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2kxn__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2kxn__assembly_1__model_2 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2kxn__assembly_1__model_3 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2kxn__assembly_1__model_4 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2kxn__assembly_1__model_5 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2kxn__assembly_1__model_6 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2kxn__assembly_1__model_7 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2kxn__assembly_1__model_8 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2kxn__assembly_1__model_9 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2kxn__assembly_1__model_10 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2kxn__assembly_1__model_11 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2kxn__assembly_1__model_12 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)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2kxnb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.7 — RNA-binding domain, RBD, aka RNA recognition motif (RRM)
Family Family familyd.58.7.1 — Canonical RBD

CATH v4.4 (1 domains)

Domain ID domain_id2kxnB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily330 — RRM (RNA recognition motif) domain
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7. Citations (1)