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1t8w

Crystal Structure of E. coli AMP Nucleosidase

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

AMP nucleosidase

Escherichia coli

UniProt P15272

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 6 water × 6 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
1t8r 1t8s 1t8w 1t8y

4 assemblies

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name AMN_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–484； UniProt 1–484 Author chain B； PDBConstruct 1–484； UniProt 1–484 Author chain C； PDBConstruct 1–484； UniProt 1–484 Author chain D； PDBConstruct 1–484； UniProt 1–484 Author chain E； PDBConstruct 1–484； UniProt 1–484 Author chain F； PDBConstruct 1–484； UniProt 1–484

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_id1t8w
Deposition date deposition_date2004-05-13
Structure title titleCrystal Structure of E. coli AMP Nucleosidase
Keywords keywordsALPHA-BETA-ALPHA SANDWICH, ALPHA-BETA FOLD, HYDROLASE; HYDROLASE
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.

1t8w__assembly_1__model_1

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

Download this curve (.dat)

1t8w__assembly_1__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.

1t8w__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）42.57 Å
Rg (electron density)41.67 Å
Total Rg42.10 Å
Atom count21888
Residues2742
Excluded volume387810 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1t8w__assembly_1__model_1 hexameric （6） 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) 18 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1t8wa_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamilyc.56.2 — Purine and uridine phosphorylases
Family Family familyc.56.2.1 — Purine and uridine phosphorylases
Domain ID domain_idd1t8wb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamilyc.56.2 — Purine and uridine phosphorylases
Family Family familyc.56.2.1 — Purine and uridine phosphorylases
Domain ID domain_idd1t8wc_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamilyc.56.2 — Purine and uridine phosphorylases
Family Family familyc.56.2.1 — Purine and uridine phosphorylases
Domain ID domain_idd1t8wd_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamilyc.56.2 — Purine and uridine phosphorylases
Family Family familyc.56.2.1 — Purine and uridine phosphorylases
Domain ID domain_idd1t8we_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamilyc.56.2 — Purine and uridine phosphorylases
Family Family familyc.56.2.1 — Purine and uridine phosphorylases
Domain ID domain_idd1t8wf_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamilyc.56.2 — Purine and uridine phosphorylases
Family Family familyc.56.2.1 — Purine and uridine phosphorylases

CATH v4.4 (12 domains)

Domain ID domain_id1t8wA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1730 — amp nucleosidase, domain 1
Homologous superfamily homologous superfamily10 — AMP nucleoside phosphorylase, N-terminal domain
Domain ID domain_id1t8wA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1580 — Nucleoside phosphorylase domain
Domain ID domain_id1t8wB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1730 — amp nucleosidase, domain 1
Homologous superfamily homologous superfamily10 — AMP nucleoside phosphorylase, N-terminal domain
Domain ID domain_id1t8wB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1580 — Nucleoside phosphorylase domain
Domain ID domain_id1t8wC01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1730 — amp nucleosidase, domain 1
Homologous superfamily homologous superfamily10 — AMP nucleoside phosphorylase, N-terminal domain
Domain ID domain_id1t8wC02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1580 — Nucleoside phosphorylase domain
Domain ID domain_id1t8wD01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1730 — amp nucleosidase, domain 1
Homologous superfamily homologous superfamily10 — AMP nucleoside phosphorylase, N-terminal domain
Domain ID domain_id1t8wD02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1580 — Nucleoside phosphorylase domain
Domain ID domain_id1t8wE01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1730 — amp nucleosidase, domain 1
Homologous superfamily homologous superfamily10 — AMP nucleoside phosphorylase, N-terminal domain
Domain ID domain_id1t8wE02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1580 — Nucleoside phosphorylase domain
Domain ID domain_id1t8wF01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1730 — amp nucleosidase, domain 1
Homologous superfamily homologous superfamily10 — AMP nucleoside phosphorylase, N-terminal domain
Domain ID domain_id1t8wF02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1580 — Nucleoside phosphorylase domain
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7. Citations (1)