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2l3a

Solution NMR structure of homodimer protein SP_0782 (7-79) from Streptococcus pneumoniae Northeast Structural Genomics Consortium Target SpR104 .

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

Uncharacterized protein

Streptococcus pneumoniae

UniProt Q97RM2

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

Other States of the Same Protein in the Database

Monomer

None

Homodimer
2l3a 3obh 4g06

3 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q97RM2_STRPN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 2–74； UniProt 7–79 Author chain B； PDBConstruct 2–74； UniProt 7–79

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_id2l3a
Deposition date deposition_date2010-09-10
Structure title titleSolution NMR structure of homodimer protein SP_0782 (7-79) from Streptococcus pneumoniae Northeast Structural Genomics Consortium Target SpR104 .
Keywords keywordsStructural Genomics, PSI-Biology, Protein Structure Initiative, Northeast Structural Genomics Consortium, NESG, Unknown function; Structural genomics, Unknown function
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.

2l3a__assembly_1__model_18

Assembly 1 · Model 18 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2l3a__assembly_1__model_18 | I(q)

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

2l3a__assembly_1__model_18 | 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）19.16 Å
Rg (electron density)17.77 Å
Total Rg18.86 Å
Atom count2648
Residues164
Excluded volume23662 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2l3a__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2l3a__assembly_1__model_2 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2l3a__assembly_1__model_3 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2l3a__assembly_1__model_4 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2l3a__assembly_1__model_5 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2l3a__assembly_1__model_6 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2l3a__assembly_1__model_7 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2l3a__assembly_1__model_8 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2l3a__assembly_1__model_9 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2l3a__assembly_1__model_10 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2l3a__assembly_1__model_11 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2l3a__assembly_1__model_12 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2l3a__assembly_1__model_13 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2l3a__assembly_1__model_14 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2l3a__assembly_1__model_15 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2l3a__assembly_1__model_16 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2l3a__assembly_1__model_17 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2l3a__assembly_1__model_18 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2l3a__assembly_1__model_19 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2l3a__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 (1)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id2l3aA00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology31 — Transcriptional Co-activator pc4; Chain A
Homologous superfamily homologous superfamily70 —
Domain ID domain_id2l3aB00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology31 — Transcriptional Co-activator pc4; Chain A
Homologous superfamily homologous superfamily70 —
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7. Citations (1)