1i2a

CRYSTAL STRUCTURE OF L1 RIBOSOMAL PROTEIN FROM METHANOCOCCUS JANNASCHII WITH 1.85A RESOLUTION.

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

50S RIBOSOMAL PROTEIN L1P

Methanocaldococcus jannaschii

UniProt P54050

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL1_METJA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–219; UniProt 14–232

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_id1i2a
Deposition date deposition_date2001-02-07
Structure title titleCRYSTAL STRUCTURE OF L1 RIBOSOMAL PROTEIN FROM METHANOCOCCUS JANNASCHII WITH 1.85A RESOLUTION.
Keywords keywordsRIBOSOMAL PROTEIN, PRIMARY RRNA-BINDING PROTEIN, TRANSLATIONAL REPRESSOR, RIBOSOME; RIBOSOME
Experimental Method methodX-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.

1i2a__assembly_1__model_1

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

Download this curve (.dat)

1i2a__assembly_1__model_1 | I(q)

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

1i2a__assembly_1__model_1 | 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)20.48 Å
Rg (electron density)19.52 Å
Total Rg20.46 Å
Atom count1688
Residues212
Excluded volume30755 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1i2a__assembly_1__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)

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1i2aa_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.24 — Ribosomal protein L1
Superfamily Superfamily superfamilye.24.1 — Ribosomal protein L1
Family Family familye.24.1.1 — Ribosomal protein L1

CATH v4.4 (2 domains)

Domain ID domain_id1i2aA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase
Homologous superfamily homologous superfamily20 — Ribosomal protein L1/L10, rRNA-binding domain
Domain ID domain_id1i2aA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily790 — Ribosomal protein L1/L10, domain II
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7. Citations (2)