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1u12

M. loti cyclic nucleotide binding domain mutant

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

cyclic nucleotide binding domain

Mesorhizobium loti

UniProt Q98GN8

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 IODIDE ION × 31 SULFATE ION × 2 POTASSIUM ION × 4 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2k0g 2kxl 4muv 4muv

4 assemblies

Homodimer
1u12 1vp6 3cl1 3cl1 3clp 4muv

6 assemblies

Homotetramer
2zd9 3beh 3co2 4chv 4chw 6eo1 6i9d 6iax 6qcy 6qcz 6qd0 6qd1

15 assemblies; showing the first 12

Other homooligomers

None

Heteromeric or nucleic-acid complex
6m63 6m63

2 assemblies

View Construct and Data Evidence
UniProt name Q98GN8_RHILO
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–138； UniProt 218–355 Author chain B； PDBConstruct 1–138； UniProt 218–355

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_id1u12
Deposition date deposition_date2004-07-14
Structure title titleM. loti cyclic nucleotide binding domain mutant
Keywords keywordsmutant cyclic nucleotide binding domain, C-helix mutation, unliganded, MEMBRANE PROTEIN; MEMBRANE PROTEIN
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.

1u12__assembly_1__model_1

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

Download this curve (.dat)

1u12__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.

1u12__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）23.87 Å
Rg (electron density)23.02 Å
Total Rg24.10 Å
Atom count1907
Residues258
Excluded volume34901 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1u12__assembly_1__model_1 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 (5)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1u12a_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.3 — cAMP-binding domain-like
Family Family familyb.82.3.2 — cAMP-binding domain
Domain ID domain_idd1u12b_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.3 — cAMP-binding domain-like
Family Family familyb.82.3.2 — cAMP-binding domain

CATH v4.4 (2 domains)

Domain ID domain_id1u12A00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
Domain ID domain_id1u12B00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
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7. Citations (1)