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2vnk

X-RAY STRUCTURE OF THE FERREDOXIN-NADP(H) REDUCTASE FROM RHODOBACTER CAPSULATUS IN COMPLEX WITH NADP. FORM III AT 1.93 ANGSTROMS RESOLUTION

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

NADPH\:FERREDOXIN REDUCTASE

RHODOBACTER CAPSULATUS

UniProt Q9L6V3

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 NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 water × 1 Consistent with protein count
2 Protein monomer Monomer Protein 1 FLAVIN-ADENINE DINUCLEOTIDE × 1 NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 water × 1 Consistent with protein count
3 Protein monomer Monomer Protein 1 FLAVIN-ADENINE DINUCLEOTIDE × 1 NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 water × 1 Consistent with protein count
4 Protein monomer Monomer Protein 1 FLAVIN-ADENINE DINUCLEOTIDE × 1 NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2bgi 2bgj 2bgj 2bgj 2bgj 2vnh 2vni 2vnj 2vnk 2vnk 2vnk 2vnk

14 assemblies; showing the first 12

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q9L6V3_RHOCA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–272； UniProt 1–272 Author chain B； PDBConstruct 1–272； UniProt 1–272 Author chain C； PDBConstruct 1–272； UniProt 1–272 Author chain D； PDBConstruct 1–272； UniProt 1–272

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_id2vnk
Deposition date deposition_date2008-02-05
Structure title titleX-RAY STRUCTURE OF THE FERREDOXIN-NADP(H) REDUCTASE FROM RHODOBACTER CAPSULATUS IN COMPLEX WITH NADP. FORM III AT 1.93 ANGSTROMS RESOLUTION
Keywords keywordsELECTRON TRANSFER, RHODOBACTER CAPSULATUS, FERREDOXIN(FLAVODOXIN)-NADP(H) REDUCTASE, NADP, FLAVOPROTEINS, OXIDOREDUCTASE; OXIDOREDUCTASE
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.

2vnk__assembly_4__model_1

Assembly 4 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2vnk__assembly_4__model_1 | I(q)

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

2vnk__assembly_4__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）19.05 Å
Rg (electron density)17.93 Å
Total Rg18.85 Å
Atom count2093
Residues254
Excluded volume37108 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2vnk__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2vnk__assembly_2__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 2vnk__assembly_3__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 2vnk__assembly_4__model_1 monomeric （1） 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 (4)

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6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd2vnka1
Class classb — All beta proteins
Fold Fold foldb.43 — Reductase/isomerase/elongation factor common domain
Superfamily Superfamily superfamilyb.43.4 — Riboflavin synthase domain-like
Family Family familyb.43.4.0 — automated matches
Domain ID domain_idd2vnka2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.25 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Superfamily Superfamily superfamilyc.25.1 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Family Family familyc.25.1.0 — automated matches
Domain ID domain_idd2vnkb1
Class classb — All beta proteins
Fold Fold foldb.43 — Reductase/isomerase/elongation factor common domain
Superfamily Superfamily superfamilyb.43.4 — Riboflavin synthase domain-like
Family Family familyb.43.4.0 — automated matches
Domain ID domain_idd2vnkb2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.25 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Superfamily Superfamily superfamilyc.25.1 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Family Family familyc.25.1.0 — automated matches
Domain ID domain_idd2vnkc1
Class classb — All beta proteins
Fold Fold foldb.43 — Reductase/isomerase/elongation factor common domain
Superfamily Superfamily superfamilyb.43.4 — Riboflavin synthase domain-like
Family Family familyb.43.4.0 — automated matches
Domain ID domain_idd2vnkc2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.25 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Superfamily Superfamily superfamilyc.25.1 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Family Family familyc.25.1.0 — automated matches
Domain ID domain_idd2vnkd1
Class classb — All beta proteins
Fold Fold foldb.43 — Reductase/isomerase/elongation factor common domain
Superfamily Superfamily superfamilyb.43.4 — Riboflavin synthase domain-like
Family Family familyb.43.4.0 — automated matches
Domain ID domain_idd2vnkd2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.25 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Superfamily Superfamily superfamilyc.25.1 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Family Family familyc.25.1.0 — automated matches

CATH v4.4 (8 domains)

Domain ID domain_id2vnkA01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily10 — Translation factors
Domain ID domain_id2vnkA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily80 — Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module
Domain ID domain_id2vnkB01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily10 — Translation factors
Domain ID domain_id2vnkB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily80 — Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module
Domain ID domain_id2vnkC01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily10 — Translation factors
Domain ID domain_id2vnkC02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily80 — Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module
Domain ID domain_id2vnkD01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily10 — Translation factors
Domain ID domain_id2vnkD02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily80 — Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module
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7. Citations (4)