SAXSdb — 2xfu

▼

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

Amine oxidase [flavin-containing] B

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	;[[(2R,3S,4S)-5-[(4AS)-7,8-DIMETHYL-2,4-DIOXO-4A,5-DIHYDROBENZO[G]PTERIDIN-10-YL]-2,3,4-TRIHYDROXY-PENTOXY]-HYDROXY-PHOSPHORYL] [(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-3,4-DIHYDROXY-OXOLAN-2-YL]METHYL HYDROGEN PHOSPHATE ; × 2 3-PHENYLPROPANAL × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	AOFB_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–519； UniProt 2–520 Author chain B； PDBConstruct 1–519； UniProt 2–520

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	2xfu
Deposition date deposition_date	2010-05-26
Structure title title	Human monoamine oxidase B with tranylcypromine
Keywords keywords	FLAVOPROTEIN, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method method	X-RAY DIFFRACTION

▼

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.

2xfu__assembly_1__model_1

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

Download this curve (.dat)

2xfu__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2xfu__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	30.30 Å
Rg (electron density)	29.58 Å
Total Rg	30.30 Å
Atom count	8037
Residues	993
Excluded volume	143550 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2xfu__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Amine oxidase [flavin-containing] B
Molecular weight formula_weight	58706.5 kDa
EC 编号 ec_number	1.4.3.4
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	8442

SNKCDVVVVGGGISGMAAAKLLHDSGLNVVVLEARDRVGGRTYTLRNQKVKYVDLGGSYVGPTQNRILRLAKELGLETYKVNEVERLIHHVKGKSYPFRGPFPPVWNPITYLDHNNFWRTMDDMGREIPSDAPWKAPLAEEWDNMTMKELLDKLCWTESAKQLATLFVNLCVTAETHEVSALWFLWYVKQCGGTTRIISTTNGGQERKFVGGSGQVSERIMDLLGDRVKLERPVIYIDQTRENVLVETLNHEMYEAKYVISAIPPTLGMKIHFNPPLPMMRNQMITRVPLGSVIKCIVYYKEPFWRKKDYCGTMIIDGEEAPVAYTLDDTKPEGNYAAIMGFILAHKARKLARLTKEERLKKLCELYAKVLGSLEALEPVHYEEKNWCEEQYSGGCYTTYFPPGILTQYGRVLRQPVDRIYFAGTETATHWSGYMEGAVEAGERAAREILHAMGKIPEDEIWQSEPESVDVPAQPITTTFLERHLPSVPGLLRLIGLTTIFSATALGFLAHKRGLLVRV

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Komagataella pastoris

Entity 2 Entity 2 non-polymer

Description description	;[[(2R,3S,4S)-5-[(4AS)-7,8-DIMETHYL-2,4-DIOXO-4A,5-DIHYDROBENZO[G]PTERIDIN-10-YL]-2,3,4-TRIHYDROXY-PENTOXY]-HYDROXY-PHOSPHORYL] [(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-3,4-DIHYDROXY-OXOLAN-2-YL]METHYL HYDROGEN PHOSPHATE ;
Molecular weight formula_weight	787.6 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	3-PHENYLPROPANAL
Molecular weight formula_weight	134.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	405

▼

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2xfua1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.3 — FAD/NAD(P)-binding domain
Superfamily Superfamily superfamily	c.3.1 — FAD/NAD(P)-binding domain
Family Family family	c.3.1.2 — FAD-linked reductases, N-terminal domain

Domain ID domain_id	d2xfua2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.16 — FAD-linked reductases, C-terminal domain
Superfamily Superfamily superfamily	d.16.1 — FAD-linked reductases, C-terminal domain
Family Family family	d.16.1.5 — L-aminoacid/polyamine oxidase

Domain ID domain_id	d2xfub1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.3 — FAD/NAD(P)-binding domain
Superfamily Superfamily superfamily	c.3.1 — FAD/NAD(P)-binding domain
Family Family family	c.3.1.2 — FAD-linked reductases, N-terminal domain

Domain ID domain_id	d2xfub2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.16 — FAD-linked reductases, C-terminal domain
Superfamily Superfamily superfamily	d.16.1 — FAD-linked reductases, C-terminal domain
Family Family family	d.16.1.5 — L-aminoacid/polyamine oxidase

CATH v4.4 (6 domains)

Domain ID domain_id	2xfuA01
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	50 — FAD/NAD(P)-binding domain
Homologous superfamily homologous superfamily	60 — FAD/NAD(P)-binding domain

Domain ID domain_id	2xfuA02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	660 — Polyamine Oxidase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	2xfuA03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	405 — Guanine Nucleotide Dissociation Inhibitor; domain 1
Homologous superfamily homologous superfamily	10 — Guanine Nucleotide Dissociation Inhibitor, domain 1

Domain ID domain_id	2xfuB01
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	50 — FAD/NAD(P)-binding domain
Homologous superfamily homologous superfamily	60 — FAD/NAD(P)-binding domain

Domain ID domain_id	2xfuB02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	660 — Polyamine Oxidase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	2xfuB03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	405 — Guanine Nucleotide Dissociation Inhibitor; domain 1
Homologous superfamily homologous superfamily	10 — Guanine Nucleotide Dissociation Inhibitor, domain 1

▶

Unit-cell length a length_a	130.609 Å
Unit-cell length b length_b	222.551 Å
Unit-cell length c length_c	86.201 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	16

Space group space_group	C 2 2 2
Space-group number int_tables_number	21
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	14.990 Å
R factor r_factor	0.1895
R_work r_work	0.1882
R_free r_free	0.2392

Human monoamine oxidase B with tranylcypromine

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

Amine oxidase [flavin-containing] B

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

2xfu__assembly_1__model_1

2xfu__assembly_1__model_1 | I(q)

2xfu__assembly_1__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

CATH v4.4 (6 domains)

7. Citations (2)

Human monoamine oxidase B with tranylcypromine

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

Amine oxidase [flavin-containing] B

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

2xfu__assembly_1__model_1

2xfu__assembly_1__model_1 | I(q)

2xfu__assembly_1__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

CATH v4.4 (6 domains)

7. Citations (2)