1yfh

wt Human O6-Alkylguanine-DNA Alkyltransferase Bound To DNA Containing an Alkylated Cytosine

Method: X-RAY DIFFRACTION Dmax: 89.7 Å Quality: EXCELLENT

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

Methylated-DNA--protein-cysteine methyltransferase

Homo sapiens

UniProt P16455

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–DNA Monomer Protein × 1 DNA 2 PDB declaration: trimeric(3) Consistent with all polymer counts Chain C; UniProt 1–179 Not recorded 5'-D(*GP*TP*GP*GP*AP*TP*GP*(XCY)P*GP*TP*GP*TP*AP*GP*GP*T)-3' × 1 5'-D(*CP*CP*TP*AP*CP*AP*CP*AP*CP*AP*TP*CP*CP*AP*CP*A)-3' × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.7;277 K;PEG 4000, sodium chloride, citrate, magnesium chloride, pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 3.01 Å R-free 0.286
2 Protein–DNA Monomer Protein × 1 DNA 2 PDB declaration: trimeric(3) Consistent with all polymer counts Chain A; UniProt 1–179 Not recorded 5'-D(*GP*TP*GP*GP*AP*TP*GP*(XCY)P*GP*TP*GP*TP*AP*GP*GP*T)-3' × 1 5'-D(*CP*CP*TP*AP*CP*AP*CP*AP*CP*AP*TP*CP*CP*AP*CP*A)-3' × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.7;277 K;PEG 4000, sodium chloride, citrate, magnesium chloride, pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 3.01 Å R-free 0.286
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–179 Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.7;277 K;PEG 4000, sodium chloride, citrate, magnesium chloride, pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 3.01 Å R-free 0.286

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.

21 other PDB entries and 22 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MGMT_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain A; PDBConstruct 1–179; UniProt 1–179 Author chain B; PDBConstruct 1–179; UniProt 1–179 Author chain C; PDBConstruct 1–179; UniProt 1–179

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 1yfh

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1yfh
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1yfh
Deposition date deposition_date2004-12-31
Structure title titlewt Human O6-Alkylguanine-DNA Alkyltransferase Bound To DNA Containing an Alkylated Cytosine
Keywords keywordsprotein-DNA complex, TRANSFERASE-DNA COMPLEX; TRANSFERASE/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.96
Radius of gyration Rg (electron density) rg_electron28.74
Forward intensity I(0) i0111003000.00
Molecular weight molecular_weight71450.0 kDa
Excluded volume excluded_volume84460 ų
Envelope volume envelope_volume115420 ų
Hydration-shell volume shell_volume33386 ų
Envelope diameter envelope_diameter95.6
Shell Rg shell_rg36.09
Envelope Rg envelope_rg27.98
Shape Rg shape_rg28.70
Total Rg total_rg29.50
Total atoms total_atoms4940
Residues n_residues537
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 dmax89.7
Rg (real space) rg_real29.78
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real1.1100e+08
I(0) uncertainty (real space) i0_real_error1.2730e+06
Rg (reciprocal space) rg_reciprocal29.86
I(0) (reciprocal space) i0_reciprocal111000000.0000
Solution quality estimate total_estimate0.9061
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary40.6
Skewness Skewness skewness0.049
Kurtosis Kurtosis kurtosis-0.479
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0002
Highest regularization parameter α highest_alpha4565000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.952; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.931

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1yfha1
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.2 — Methylated DNA-protein cysteine methyltransferase, C-terminal domain
Family Family familya.4.2.1 — Methylated DNA-protein cysteine methyltransferase, C-terminal domain
Domain ID domain_idd1yfha2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.7 — Methylated DNA-protein cysteine methyltransferase domain
Family Family familyc.55.7.1 — Methylated DNA-protein cysteine methyltransferase domain
Domain ID domain_idd1yfhb1
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.2 — Methylated DNA-protein cysteine methyltransferase, C-terminal domain
Family Family familya.4.2.1 — Methylated DNA-protein cysteine methyltransferase, C-terminal domain
Domain ID domain_idd1yfhb2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.7 — Methylated DNA-protein cysteine methyltransferase domain
Family Family familyc.55.7.1 — Methylated DNA-protein cysteine methyltransferase domain
Domain ID domain_idd1yfhc1
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.2 — Methylated DNA-protein cysteine methyltransferase, C-terminal domain
Family Family familya.4.2.1 — Methylated DNA-protein cysteine methyltransferase, C-terminal domain
Domain ID domain_idd1yfhc2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.7 — Methylated DNA-protein cysteine methyltransferase domain
Family Family familyc.55.7.1 — Methylated DNA-protein cysteine methyltransferase domain

CATH v4.4 (6 domains)

Domain ID domain_id1yfhA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology160 — Double Stranded RNA Binding Domain
Homologous superfamily homologous superfamily70 — Methylated DNA-protein cysteine methyltransferase domain
Domain ID domain_id1yfhA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Domain ID domain_id1yfhB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology160 — Double Stranded RNA Binding Domain
Homologous superfamily homologous superfamily70 — Methylated DNA-protein cysteine methyltransferase domain
Domain ID domain_id1yfhB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Domain ID domain_id1yfhC01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology160 — Double Stranded RNA Binding Domain
Homologous superfamily homologous superfamily70 — Methylated DNA-protein cysteine methyltransferase domain
Domain ID domain_id1yfhC02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

8. Citations (1)

9. Files and Curves (10)