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1lli

THE CRYSTAL STRUCTURE OF A MUTANT PROTEIN WITH ALTERED BUT IMPROVED HYDROPHOBIC CORE PACKING

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

PROTEIN (LAMBDA REPRESSOR)

Enterobacteria phage lambda

UniProt P03034

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Homooligomer Protein 2 DNA 2 ;DNA (5'-D(*AP*AP*TP*AP*CP*CP*AP*CP*TP*GP*GP*CP*GP*GP*TP*GP*A P*TP*AP*T)-3') ; × 1 ;DNA (5'-D(*TP*AP*TP*AP*TP*CP*AP*CP*CP*GP*CP*CP*AP*GP*TP*GP*G P*TP*AP*T)-3') ; × 1 water × 4 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer
3kz3 3kz3

2 assemblies

Homodimer
1lrp 1lrp 3kz3

3 assemblies

Homotetramer
1f39

1 assemblies

Other homooligomers
1kca 1kca

2 assemblies

Heteromeric or nucleic-acid complex
1lli 1lmb 1rio 3bdn 3woa 5zca 7jvt 8gmu

8 assemblies

View Construct and Data Evidence
UniProt name RPC1_LAMBD
Isoform —
PDB entities 3
Chains and sequence ranges Author chain A； PDBConstruct 1–92； UniProt 1–92 Author chain B； PDBConstruct 1–92； UniProt 1–92

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_id1lli
Deposition date deposition_date1994-03-25
Structure title titleTHE CRYSTAL STRUCTURE OF A MUTANT PROTEIN WITH ALTERED BUT IMPROVED HYDROPHOBIC CORE PACKING
Keywords keywordsPROTEIN-DNA COMPLEX, DOUBLE HELIX, TRANSCRIPTION-DNA COMPLEX; TRANSCRIPTION/DNA
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.

1lli__assembly_1__model_1

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

Download this curve (.dat)

1lli__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1lli__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）22.06 Å
Rg (electron density)21.19 Å
Total Rg21.94 Å
Atom count2210
Residues221
Excluded volume37033 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1lli__assembly_1__model_1 tetrameric （4） 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 (4)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1llia_
Class classa — All alpha proteins
Fold Fold folda.35 — lambda repressor-like DNA-binding domains
Superfamily Superfamily superfamilya.35.1 — lambda repressor-like DNA-binding domains
Family Family familya.35.1.2 — Phage repressors
Domain ID domain_idd1llib_
Class classa — All alpha proteins
Fold Fold folda.35 — lambda repressor-like DNA-binding domains
Superfamily Superfamily superfamilya.35.1 — lambda repressor-like DNA-binding domains
Family Family familya.35.1.2 — Phage repressors

CATH v4.4 (2 domains)

Domain ID domain_id1lliA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology260 — 434 Repressor (Amino-terminal Domain)
Homologous superfamily homologous superfamily40 — lambda repressor-like DNA-binding domains
Domain ID domain_id1lliB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology260 — 434 Repressor (Amino-terminal Domain)
Homologous superfamily homologous superfamily40 — lambda repressor-like DNA-binding domains
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7. Citations (2)