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1npx

STRUCTURE OF NADH PEROXIDASE FROM STREPTOCOCCUS FAECALIS 10C1 REFINED AT 2.16 ANGSTROMS RESOLUTION

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

NADH PEROXIDASE

Enterococcus faecalis

UniProt P37062

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 FLAVIN-ADENINE DINUCLEOTIDE × 1 water × 1 Consistent with protein count
2 Protein homooligomer Homooligomer Protein 2 FLAVIN-ADENINE DINUCLEOTIDE × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1joa 1nhp 1nhq 1nhr 1nhs 1npx 2npx

7 assemblies

Homodimer
1f8w 1joa 1nhp 1nhq 1nhr 1nhs 1npx 2npx

8 assemblies

Homotetramer
1f8w

1 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name NAPE_ENTFA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–447； UniProt 1–447

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_id1npx
Deposition date deposition_date1991-08-02
Structure title titleSTRUCTURE OF NADH PEROXIDASE FROM STREPTOCOCCUS FAECALIS 10C1 REFINED AT 2.16 ANGSTROMS RESOLUTION
Keywords keywordsOXIDOREDUCTASE(H2O2(A)); OXIDOREDUCTASE(H2O2(A))
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.

1npx__assembly_1__model_1

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

Download this curve (.dat)

1npx__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1npx__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）24.78 Å
Rg (electron density)23.74 Å
Total Rg24.50 Å
Atom count3546
Residues446
Excluded volume63299 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1npx__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1npx__assembly_2__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 (3)

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1npxa1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.3 — FAD/NAD(P)-binding domain
Superfamily Superfamily superfamilyc.3.1 — FAD/NAD(P)-binding domain
Family Family familyc.3.1.5 — FAD/NAD-linked reductases, N-terminal and central domains
Domain ID domain_idd1npxa2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.3 — FAD/NAD(P)-binding domain
Superfamily Superfamily superfamilyc.3.1 — FAD/NAD(P)-binding domain
Family Family familyc.3.1.5 — FAD/NAD-linked reductases, N-terminal and central domains
Domain ID domain_idd1npxa3
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.87 — CO dehydrogenase flavoprotein C-domain-like
Superfamily Superfamily superfamilyd.87.1 — FAD/NAD-linked reductases, dimerisation (C-terminal) domain
Family Family familyd.87.1.1 — FAD/NAD-linked reductases, dimerisation (C-terminal) domain

CATH v4.4 (3 domains)

Domain ID domain_id1npxA01
Class class3 — Alpha Beta
Architecture architecture50 — 3-Layer(bba) Sandwich
Topology topology50 — FAD/NAD(P)-binding domain
Homologous superfamily homologous superfamily60 — FAD/NAD(P)-binding domain
Domain ID domain_id1npxA02
Class class3 — Alpha Beta
Architecture architecture50 — 3-Layer(bba) Sandwich
Topology topology50 — FAD/NAD(P)-binding domain
Homologous superfamily homologous superfamily60 — FAD/NAD(P)-binding domain
Domain ID domain_id1npxA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology390 — Enolase-like; domain 1
Homologous superfamily homologous superfamily30 — FAD/NAD-linked reductase, C-terminal dimerisation domain
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7. Citations (6)