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9qtr

Structure of the energy converting methyltransferase (Mtr) of Methanosarcina mazei in complex with a novel protein binder

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Tetrahydromethanopterin S-methyltransferase subunit A

OrganismNot specified

UniProt O59640

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Conserved protein × 1 （Q8PUD4） 5-HYDROXYBENZIMIDAZOLYLCOB(III)AMIDE × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
8wkd 9qtq 9qtr 9qts

4 assemblies

View Construct and Data Evidence
UniProt name MTRA_METMA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–240； UniProt 1–240

Conserved protein

OrganismNot specified

UniProt Q8PUD4

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Tetrahydromethanopterin S-methyltransferase subunit A × 1 （O59640） 5-HYDROXYBENZIMIDAZOLYLCOB(III)AMIDE × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
9qtr 9qts

2 assemblies

View Construct and Data Evidence
UniProt name Q8PUD4_METMA
Isoform —
PDB entities 2
Chains and sequence ranges Author chain i； PDBConstruct 1–68； UniProt 1–68

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_id9qtr
Deposition date deposition_date2025-04-09
Structure title titleStructure of the energy converting methyltransferase (Mtr) of Methanosarcina mazei in complex with a novel protein binder
Keywords keywords;Sodium-pumping, membrane-bound, methyltransferase complex, methanogen, methanogenic, methylotrophic, archaeon, archaea, methanosarcina, methanosarcina mazei, Vitamin B12, corrinoid, cobalt, 5-hydroxybenzimidazole, small protein, oxygen-sensitive, MEMBRANE PROTEIN ;; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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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.

9qtr__assembly_1__model_1

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

Download this curve (.dat)

9qtr__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.

9qtr__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）18.79 Å
Rg (electron density)17.75 Å
Total Rg18.59 Å
Atom count1698
Residues215
Excluded volume30187 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9qtr__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 (3)

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7. Citations (1)