6h2v

Crystal structure of human METTL5-TRMT112 complex, the 18S rRNA m6A1832 methyltransferase at 2.5A resolution

Method: X-RAY DIFFRACTION Dmax: 102.1 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Methyltransferase-like protein 5

Homo sapiens

UniProt Q9NRN9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–209 Not recorded Multifunctional methyltransferase subunit TRM112-like protein × 1 (Q9UI30) SAM S-ADENOSYLMETHIONINE × 1 SO4 SULFATE ION × 4 PEG DI(HYDROXYETHYL)ETHER × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.6;277 K;25% PEG 4,000; 0.2 M ammonium sulfate; 100 mM Na citrate pH 5.6 Resolution 2.49 Å R-free 0.249
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–209 Not recorded Multifunctional methyltransferase subunit TRM112-like protein × 1 (Q9UI30) SAM S-ADENOSYLMETHIONINE × 1 SO4 SULFATE ION × 3 EDO 1,2-ETHANEDIOL × 1 PG0 2-(2-METHOXYETHOXY)ETHANOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.6;277 K;25% PEG 4,000; 0.2 M ammonium sulfate; 100 mM Na citrate pH 5.6 Resolution 2.49 Å R-free 0.249

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name METL5_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–209; UniProt 1–209 Author chain C; PDBConstruct 1–209; UniProt 1–209

Multifunctional methyltransferase subunit TRM112-like protein

Homo sapiens

UniProt Q9UI30

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–125 Non-standard monomer:Yes (specific site not provided by mmCIF) Methyltransferase-like protein 5 × 1 (Q9NRN9) SAM S-ADENOSYLMETHIONINE × 1 SO4 SULFATE ION × 4 PEG DI(HYDROXYETHYL)ETHER × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.6;277 K;25% PEG 4,000; 0.2 M ammonium sulfate; 100 mM Na citrate pH 5.6 Resolution 2.49 Å R-free 0.249
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1–125 Non-standard monomer:Yes (specific site not provided by mmCIF) Methyltransferase-like protein 5 × 1 (Q9NRN9) SAM S-ADENOSYLMETHIONINE × 1 SO4 SULFATE ION × 3 EDO 1,2-ETHANEDIOL × 1 PG0 2-(2-METHOXYETHOXY)ETHANOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.6;277 K;25% PEG 4,000; 0.2 M ammonium sulfate; 100 mM Na citrate pH 5.6 Resolution 2.49 Å R-free 0.249

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

26 other PDB entries and 27 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TR112_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–125; UniProt 1–125 Author chain D; PDBConstruct 1–125; UniProt 1–125

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.

SAXS scattering curve SAXS Profile

SAXS profile for 6h2v

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6h2v
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6h2v
Deposition date deposition_date2018-07-16
Structure title titleCrystal structure of human METTL5-TRMT112 complex, the 18S rRNA m6A1832 methyltransferase at 2.5A resolution
Keywords keywordsrRNA maturation, methyltransferase, translation, ribosome synthesis, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier30.32
Radius of gyration Rg (electron density) rg_electron29.81
Forward intensity I(0) i087795900.00
Molecular weight molecular_weight73734.0 kDa
Excluded volume excluded_volume92215 ų
Envelope volume envelope_volume114240 ų
Hydration-shell volume shell_volume32976 ų
Envelope diameter envelope_diameter108.0
Shell Rg shell_rg35.89
Envelope Rg envelope_rg30.11
Shape Rg shape_rg29.84
Total Rg total_rg30.28
Total atoms total_atoms5151
Residues n_residues628
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax102.1
Rg (real space) rg_real30.48
Rg uncertainty (real space) rg_real_error0.89
I(0) (real space) i0_real8.7800e+07
I(0) uncertainty (real space) i0_real_error1.5170e+06
Rg (reciprocal space) rg_reciprocal30.42
I(0) (reciprocal space) i0_reciprocal87790000.0000
Solution quality estimate total_estimate0.8527
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.4
Skewness Skewness skewness0.479
Kurtosis Kurtosis kurtosis-0.386
Angular range angular_range— – 0.2600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha39660000.0000
Real-space data points n_real_points53
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.781; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.864; Smooth: 0.875

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd6h2va1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
Superfamily Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
Family Family familyc.66.1.0 — automated matches
Domain ID domain_idd6h2va2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd6h2vc1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
Superfamily Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
Family Family familyc.66.1.0 — automated matches
Domain ID domain_idd6h2vc2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

8. Citations (1)

9. Files and Curves (10)