SAXSdb — 6a37

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

Putative flavin-binding monooxygenase

Acinetobacter calcoaceticus

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A0A8XFY0_ACICA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 21–552； UniProt 1–532

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	6a37
Deposition date deposition_date	2018-06-15
Structure title title	X-ray structure of cyclohexanone monooxygenase from Acinetobacter calcoaceticus
Keywords keywords	cyclohexanone monooxygenase, FAD binding, 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.

6a37__assembly_1__model_1

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

Download this curve (.dat)

6a37__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6a37__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	25.03 Å
Rg (electron density)	23.93 Å
Total Rg	24.82 Å
Atom count	4115
Residues	510
Excluded volume	72974 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6a37__assembly_1__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 (3)

Entity 1 Entity 1 polymer

Description description	Putative flavin-binding monooxygenase
Molecular weight formula_weight	62304.2 kDa
Mutation mutation	F246Y, K326C, L426F, F432L, T433A, L435S, S438I, F505L
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	4353

MGSSHHHHHHSSGLVPRGSHMTQKMDFDAIIIGAGFGGLYSLKKLRDDFNLKVRAFDRATEVGGTWFWNQYPGALSDSETHLYCYSWDKELLQEMEIKRKYISQPDVLAYLKRVADKHDLRKDIQFETGIRSAYFDEENSFWNVTTENDEKFTARFLITALGLLAAPNLPKIKGIETFKGELHHTSRWPKDVTFSGKRVGVIGTGSTGVQVITAIASQVKHLTVFQRSAQYSVPIGNVVMSETDVAKIKENYDQIWENVWNSALGYGLNESTLPTMSVSAEERDKIFEKAWQEGGGFRFMFETFGDIAVDETANIEAQNFIKKKISEIVKDPFVAKKLTPTDLYACRPLCDSGYYEIFNRDNVSLEDVKANPIVEIKEDCVVTADGVEHKLDMLICATGFDAVDGNYIRMDIRGKDGISIKDHWKDGPNSYLGMMVSNFPNMFMVFGPNGPLANSPPIIETQVRWIADLIGYAEDHQINQIEATKDAVDNWTNTCSDIANKTLFAKAESWIFGANVPGKKNTVYLYMGGLKEYRNQISEVSNNNYKGCLLKQ

Source Source

Source organism organism	Acinetobacter calcoaceticus
NCBI taxonomy ID ncbi_taxonomy_id	471
Host organism host_organism	;Escherichia coli 'BL21-Gold(DE3)pLysS AG' ;

Entity 2 Entity 2 non-polymer

Description description	FLAVIN-ADENINE DINUCLEOTIDE
Molecular weight formula_weight	785.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	238

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id	6a37A01
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

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Unit-cell length a length_a	52.100 Å
Unit-cell length b length_b	52.969 Å
Unit-cell length c length_c	102.162 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	96.51 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	2

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

Resolution resolution	2.204 Å
Low-resolution limit resolution_low	48.386 Å
R factor r_factor	0.1868
R_work r_work	0.1846
R_free r_free	0.2293

X-ray structure of cyclohexanone monooxygenase from Acinetobacter calcoaceticus

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

Putative flavin-binding monooxygenase

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

6a37__assembly_1__model_1

6a37__assembly_1__model_1 | I(q)

6a37__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)

X-ray structure of cyclohexanone monooxygenase from Acinetobacter calcoaceticus

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

Putative flavin-binding monooxygenase

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

6a37__assembly_1__model_1

6a37__assembly_1__model_1 | I(q)

6a37__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)