SAXSdb — 2hkm

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

Aromatic amine dehydrogenase

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	Aromatic amine dehydrogenase × 2 （P84888） 2-PHENYLETHYLAMINE × 2 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	AAUA_ALCFA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain D； PDBConstruct 1–135； UniProt 48–182 Author chain H； PDBConstruct 1–135； UniProt 48–182

Aromatic amine dehydrogenase

OrganismNot specified

UniProt P84888

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	Aromatic amine dehydrogenase × 2 （P84887） 2-PHENYLETHYLAMINE × 2 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	AAUB_ALCFA
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain A； PDBConstruct 1–361； UniProt 29–389 Author chain B； PDBConstruct 1–361； UniProt 29–389

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	2hkm
Deposition date deposition_date	2006-07-05
Structure title title	Crystal structure of the Schiff base intermediate in the reductive half-reaction of aromatic amine dehydrogenase (AADH) with phenylethylamine.
Keywords keywords	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.

2hkm__assembly_1__model_1

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

Download this curve (.dat)

2hkm__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2hkm__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	30.56 Å
Rg (electron density)	30.01 Å
Total Rg	30.65 Å
Atom count	7369
Residues	948
Excluded volume	129700 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2hkm__assembly_1__model_1`	tetrameric （4）	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)

Entity 1 Entity 1 polymer

Description description	Aromatic amine dehydrogenase
Molecular weight formula_weight	14516.9 kDa
EC 编号 ec_number	1.4.99.4
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D,H
Atom count atom_count	8692

AGGGGSSSGADHISLNPDLANEDEVNSCDYWRHCAVDGFLCSCCGGTTTTCPPGSTPSPISWIGTCHNPHDGKDYLISYHDCCGKTACGRCQCNTQTRERPGYEFFLHNDVNWCMANENSTFHCTTSVLVGLAKN

Entity 2 Entity 2 polymer

Description description	Aromatic amine dehydrogenase
Molecular weight formula_weight	40113.2 kDa
EC 编号 ec_number	1.4.99.4
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B

PREVLTGGHSVSAPQENRIYVMDSVFMHLTESRVHVYDYTNGKFLGMVPTAFNGHVQVSNDGKKIYTMTTYHERITRGKRSDVVEVWDADKLTFEKEISLPPKRVQGLNYDGLFRQTTDGKFIVLQNASPATSIGIVDVAKGDYVEDVTAAAGCWSVIPQPNRPRSFMTICGDGGLLTINLGEDGKVASQSRSKQMFSVKDDPIFIAPALDKDKAHFVSYYGNVYSADFSGDEVKVDGPWSLLNDEDKAKNWVPGGYNLVGLHRASGRMYVFMHPDGKEGTHKFPAAEIWVMDTKTKQRVARIPGRDALSMTIDQQRNLMLTLDGGNVNVYDISQPEPKLLRTIEGAAEASLQVQFHPVGGT

Entity 3 Entity 3 non-polymer

Description description	2-PHENYLETHYLAMINE
Molecular weight formula_weight	122.2 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	1282

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2hkmd_
Class class	g — Small proteins
Fold Fold fold	g.21 — Methylamine dehydrogenase, L chain
Superfamily Superfamily superfamily	g.21.1 — Methylamine dehydrogenase, L chain
Family Family family	g.21.1.0 — automated matches

Domain ID domain_id	d2hkmh_
Class class	g — Small proteins
Fold Fold fold	g.21 — Methylamine dehydrogenase, L chain
Superfamily Superfamily superfamily	g.21.1 — Methylamine dehydrogenase, L chain
Family Family family	g.21.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id	2hkmA01
Class class	2 — Mainly Beta
Architecture architecture	130 — 7 Propeller
Topology topology	10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily	10 — YVTN repeat-like/Quinoprotein amine dehydrogenase

Domain ID domain_id	2hkmB01
Class class	2 — Mainly Beta
Architecture architecture	130 — 7 Propeller
Topology topology	10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily	10 — YVTN repeat-like/Quinoprotein amine dehydrogenase

Domain ID domain_id	2hkmD00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	30 — Electron Transport Ethylamine Dehydrogenase
Homologous superfamily homologous superfamily	10 — Methylamine/Aralkylamine dehydrogenase light chain

Domain ID domain_id	2hkmH00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	30 — Electron Transport Ethylamine Dehydrogenase
Homologous superfamily homologous superfamily	10 — Methylamine/Aralkylamine dehydrogenase light chain

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Unit-cell length a length_a	70.398 Å
Unit-cell length b length_b	89.109 Å
Unit-cell length c length_c	80.082 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.47 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	1.500 Å
Low-resolution limit resolution_low	15.000 Å
R factor r_factor	—
R_work r_work	0.1590
R_free r_free	0.1910

Crystal structure of the Schiff base intermediate in the reductive half-reaction of aromatic amine dehydrogenase (AADH) with phenylethylamine.

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

Aromatic amine dehydrogenase

State in the Current Structure

Other States of the Same Protein in the Database

Aromatic amine dehydrogenase

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

2hkm__assembly_1__model_1

2hkm__assembly_1__model_1 | I(q)

2hkm__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

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Crystal structure of the Schiff base intermediate in the reductive half-reaction of aromatic amine dehydrogenase (AADH) with phenylethylamine.

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

Aromatic amine dehydrogenase

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Aromatic amine dehydrogenase

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

2hkm__assembly_1__model_1

2hkm__assembly_1__model_1 | I(q)

2hkm__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

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)