3g8m

Serine Hydroxymethyltransferase Y55F Mutant

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

Serine hydroxymethyltransferase

Escherichia coli K-12

UniProt P0A825

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 PYRIDOXAL-5'-PHOSPHATE × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GLYA_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–417; UniProt 1–417

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_id3g8m
Deposition date deposition_date2009-02-12
Structure title titleSerine Hydroxymethyltransferase Y55F Mutant
Keywords keywordsSHMT, E. coli, Y55F, One-carbon metabolism, Pyridoxal phosphate, Transferase; TRANSFERASE
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.

3g8m__assembly_1__model_1

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

Download this curve (.dat)

3g8m__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

3g8m__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)28.67 Å
Rg (electron density)27.80 Å
Total Rg28.63 Å
Atom count6400
Residues834
Excluded volume113730 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3g8m__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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3g8mA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology640 — Aspartate Aminotransferase; domain 2
Homologous superfamily homologous superfamily10 — Type I PLP-dependent aspartate aminotransferase-like (Major domain)
Domain ID domain_id3g8mA02
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1150 — Aspartate Aminotransferase, domain 1
Homologous superfamily homologous superfamily10 — Aspartate Aminotransferase, domain 1
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7. Citations (1)