2rc6

Refined structure of FNR from Leptospira interrogans bound to NADP+

Method: X-RAY DIFFRACTION

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Ferredoxin-NADP reductase

Leptospira interrogans

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	ZINC ION × 1 SULFATE ION × 2 FLAVIN-ADENINE DINUCLEOTIDE × 1 NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	SULFATE ION × 2 FLAVIN-ADENINE DINUCLEOTIDE × 1 NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	SULFATE ION × 2 FLAVIN-ADENINE DINUCLEOTIDE × 1 NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	SULFATE ION × 2 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

View Construct and Data Evidence

UniProt name	Q8EY89_LEPIN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–314； UniProt 1–314 Author chain B； PDBConstruct 1–314； UniProt 1–314 Author chain C； PDBConstruct 1–314； UniProt 1–314 Author chain D； PDBConstruct 1–314； UniProt 1–314

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_id	2rc6
Deposition date deposition_date	2007-09-19
Structure title title	Refined structure of FNR from Leptospira interrogans bound to NADP+
Keywords keywords	FNR, Oxidoreductase; OXIDOREDUCTASE
Experimental Method method	X-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.

2rc6__assembly_4__model_1

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

Download this curve (.dat)

2rc6__assembly_4__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2rc6__assembly_4__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	20.95 Å
Rg (electron density)	19.63 Å
Total Rg	20.61 Å
Atom count	2485
Residues	306
Excluded volume	44033 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2rc6__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2rc6__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2rc6__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`2rc6__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 (6)

Entity 1 Entity 1 polymer

Description description	Ferredoxin-NADP reductase
Molecular weight formula_weight	34967.1 kDa
EC 编号 ec_number	1.18.1.2
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	10181

MHSLMKPTREPQINLFKKSNPYKAKVISNVLLTPETGTGKRPKKEGEALVHRIVLAIDHSAYPYVIGQSGGVIPPGEDPEKKAKGLADVGYTVRLYSIASPSYSFGMKEDNIEFIIKRDNIYDENGNIQFKGVCSNYMCDLKPGDEVTMTGPSGKKFLLPNTDFSGDIMFLATGTGIAPFIGMSEELLEHKLIKFTGNITLVYGAPYSDELVMMDYLKGLESKHKNFKLITAISREEKNSFDGGRMYISHRVREQAEAVKKILNGGGRFYICGGPKGMEKGVIEEIQKISGNTGTYEEFKHHLEGAHQLFVETY

Source Source

Source organism organism	Leptospira interrogans
NCBI taxonomy ID ncbi_taxonomy_id	173
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	8

Entity 4 Entity 4 non-polymer

Description description	FLAVIN-ADENINE DINUCLEOTIDE
Molecular weight formula_weight	785.5 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 5 Entity 5 non-polymer

Description description	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
Molecular weight formula_weight	743.4 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	240

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6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d2rc6a1
Class class	b — All beta proteins
Fold Fold fold	b.43 — Reductase/isomerase/elongation factor common domain
Superfamily Superfamily superfamily	b.43.4 — Riboflavin synthase domain-like
Family Family family	b.43.4.0 — automated matches

Domain ID domain_id	d2rc6a2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.25 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Superfamily Superfamily superfamily	c.25.1 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Family Family family	c.25.1.0 — automated matches

Domain ID domain_id	d2rc6b1
Class class	b — All beta proteins
Fold Fold fold	b.43 — Reductase/isomerase/elongation factor common domain
Superfamily Superfamily superfamily	b.43.4 — Riboflavin synthase domain-like
Family Family family	b.43.4.0 — automated matches

Domain ID domain_id	d2rc6b2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.25 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Superfamily Superfamily superfamily	c.25.1 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Family Family family	c.25.1.0 — automated matches

Domain ID domain_id	d2rc6c1
Class class	b — All beta proteins
Fold Fold fold	b.43 — Reductase/isomerase/elongation factor common domain
Superfamily Superfamily superfamily	b.43.4 — Riboflavin synthase domain-like
Family Family family	b.43.4.0 — automated matches

Domain ID domain_id	d2rc6c2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.25 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Superfamily Superfamily superfamily	c.25.1 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Family Family family	c.25.1.0 — automated matches

Domain ID domain_id	d2rc6d1
Class class	b — All beta proteins
Fold Fold fold	b.43 — Reductase/isomerase/elongation factor common domain
Superfamily Superfamily superfamily	b.43.4 — Riboflavin synthase domain-like
Family Family family	b.43.4.0 — automated matches

Domain ID domain_id	d2rc6d2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.25 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Superfamily Superfamily superfamily	c.25.1 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Family Family family	c.25.1.0 — automated matches

CATH v4.4 (8 domains)

Domain ID domain_id	2rc6A01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily	10 — Translation factors

Domain ID domain_id	2rc6A02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	80 — Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module

Domain ID domain_id	2rc6B01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily	10 — Translation factors

Domain ID domain_id	2rc6B02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	80 — Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module

Domain ID domain_id	2rc6C01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily	10 — Translation factors

Domain ID domain_id	2rc6C02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	80 — Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module

Domain ID domain_id	2rc6D01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily	10 — Translation factors

Domain ID domain_id	2rc6D02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	80 — Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module

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Unit-cell length a length_a	67.168 Å
Unit-cell length b length_b	112.251 Å
Unit-cell length c length_c	92.399 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	93.19 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	33.532 Å
R factor r_factor	0.2367
R_work r_work	0.2346
R_free r_free	0.2759

Refined structure of FNR from Leptospira interrogans bound to NADP+

1. Protein Identity and Related Structures Protein Identity & Related Structures

Ferredoxin-NADP reductase

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

2rc6__assembly_4__model_1

2rc6__assembly_4__model_1 | I(q)

2rc6__assembly_4__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)

Refined structure of FNR from Leptospira interrogans bound to NADP+

1. Protein Identity and Related Structures Protein Identity & Related Structures

Ferredoxin-NADP reductase

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

2rc6__assembly_4__model_1

2rc6__assembly_4__model_1 | I(q)

2rc6__assembly_4__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)