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1zfn

Structural Analysis of Escherichia coli ThiF

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

Adenylyltransferase thiF

Escherichia coli

UniProt P30138

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 ZINC ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2 Consistent with protein count
2 Protein homooligomer Homooligomer Protein 2 ZINC ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2 Consistent with protein count
3 Protein homooligomer Homooligomer Protein 12 ZINC ION × 12 ADENOSINE-5'-TRIPHOSPHATE × 12 Consistent with protein count
4 Protein homooligomer Homooligomer Protein 8 ZINC ION × 8 ADENOSINE-5'-TRIPHOSPHATE × 8 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1zfn 1zfn 1zkm 1zkm

4 assemblies

Homotetramer

None

Other homooligomers
1zfn 1zfn 1zkm

3 assemblies

Heteromeric or nucleic-acid complex
1zud 1zud 1zud

3 assemblies

View Construct and Data Evidence
UniProt name THIF_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 3–253； UniProt 1–251 Author chain B； PDBConstruct 3–253； UniProt 1–251 Author chain C； PDBConstruct 3–253； UniProt 1–251 Author chain D； PDBConstruct 3–253； UniProt 1–251

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_id1zfn
Deposition date deposition_date2005-04-20
Structure title titleStructural Analysis of Escherichia coli ThiF
Keywords keywordsRossmann Fold, P-LOOP, ATP-Binding, Adenylation, ThiS, ThiF, 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.

1zfn__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1zfn__assembly_3__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1zfn__assembly_3__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）51.27 Å
Rg (electron density)50.44 Å
Total Rg50.65 Å
Atom count21945
Residues2865
Excluded volume389120 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1zfn__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1zfn__assembly_2__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 1zfn__assembly_3__model_1 dodecameric （12） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 1zfn__assembly_4__model_1 octameric （8） 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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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1zfna_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.111 — Activating enzymes of the ubiquitin-like proteins
Superfamily Superfamily superfamilyc.111.1 — Activating enzymes of the ubiquitin-like proteins
Family Family familyc.111.1.0 — automated matches
Domain ID domain_idd1zfnb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.111 — Activating enzymes of the ubiquitin-like proteins
Superfamily Superfamily superfamilyc.111.1 — Activating enzymes of the ubiquitin-like proteins
Family Family familyc.111.1.0 — automated matches
Domain ID domain_idd1zfnc_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.111 — Activating enzymes of the ubiquitin-like proteins
Superfamily Superfamily superfamilyc.111.1 — Activating enzymes of the ubiquitin-like proteins
Family Family familyc.111.1.0 — automated matches
Domain ID domain_idd1zfnd_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.111 — Activating enzymes of the ubiquitin-like proteins
Superfamily Superfamily superfamilyc.111.1 — Activating enzymes of the ubiquitin-like proteins
Family Family familyc.111.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id1zfnA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id1zfnB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id1zfnC00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id1zfnD00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
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7. Citations (1)