SAXSdb — 1w1q

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

CYTOKININ DEHYDROGENASE 1

ZEA MAYS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Monomer	Protein 1 其他Polymer 1	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 FLAVIN-ADENINE DINUCLEOTIDE × 1 N-(3-METHYLBUT-2-EN-1-YL)-9H-PURIN-6-AMINE × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CKX1_MAIZE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–534； UniProt 1–534

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	1w1q
Deposition date deposition_date	2004-06-23
Structure title title	Plant Cytokinin Dehydrogenase in Complex with Isopentenyladenine
Keywords keywords	FLAVIN, CYTOKININ, OXIDOREDUCTASE, FLAVOPROTEIN, FAD; 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.

1w1q__assembly_1__model_1

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

Download this curve (.dat)

1w1q__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1w1q__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.26 Å
Rg (electron density)	22.22 Å
Total Rg	23.20 Å
Atom count	3809
Residues	479
Excluded volume	67273 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1w1q__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 (6)

Entity 1 Entity 1 polymer

Description description	CYTOKININ DEHYDROGENASE 1
Molecular weight formula_weight	57268.5 kDa
EC 编号 ec_number	1.5.99.12
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	4096

MAVVYYLLLAGLIACSHALAAGTPALGDDRGRPWPASLAALALDGKLRTDSNATAAASTDFGNITSALPAAVLYPSSTGDLVALLSAANSTPGWPYTIAFRGRGHSLMGQAFAPGGVVVNMASLGDAAAPPRINVSADGRYVDAGGEQVWIDVLRASLARGVAPRSWTDYLYLTVGGTLSNAGISGQAFRHGPQISNVLEMDVITGHGEMVTCSKQLNADLFDAVLGGLGQFGVITRARIAVEPAPARARWVRFVYTDFAAFSADQERLTAPRPGGGGASFGPMSYVEGSVFVNQSLATDLANTGFFTDADVARIVALAGERNATTVYSIEATLNYDNATAAAAAVDQELASVLGTLSYVEGFAFQRDVAYAAFLDRVHGEEVALNKLGLWRVPHPWLNMFVPRSRIADFDRGVFKGILQGTDIVGPLIVYPLNKSMWDDGMSAATPSEDVFYAVSLLFSSVAPNDLARLQEQNRRILRFCDLAGIQYKTYLARHTDRSDWVRHFGAAKWNRFVEMKNKYDPKRLLSPGQDIFN

Source Source

Source organism organism	ZEA MAYS
Common name common_name	MAIZE
NCBI taxonomy ID ncbi_taxonomy_id	4577
Host organism host_organism	PICHIA PASTORIS

Entity 2 Entity 2 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	man
Copy count entity_count	1

Entity 3 Entity 3 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 4 Entity 4 non-polymer

Description description	N-(3-METHYLBUT-2-EN-1-YL)-9H-PURIN-6-AMINE
Molecular weight formula_weight	203.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	3

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	287

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6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1w1qa1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.32 — FAD-linked oxidases, C-terminal domain
Family Family family	d.58.32.4 — Cytokinin dehydrogenase 1

Domain ID domain_id	d1w1qa2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.145 — FAD-binding/transporter-associated domain-like
Superfamily Superfamily superfamily	d.145.1 — FAD-binding/transporter-associated domain-like
Family Family family	d.145.1.1 — FAD-linked oxidases, N-terminal domain

CATH v4.4 (3 domains)

Domain ID domain_id	1w1qA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	43 — Uridine Diphospho-n-acetylenolpyruvylglucosamine Reductase; domain 2
Homologous superfamily homologous superfamily	10 — Uridine Diphospho-n-acetylenolpyruvylglucosamine Reductase, domain 2

Domain ID domain_id	1w1qA02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	465 — Uridine Diphospho-n-acetylenolpyruvylglucosamine Reductase; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1w1qA03
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	462 — Vanillyl-alcohol Oxidase; Chain A, domain 3
Homologous superfamily homologous superfamily	10 — FAD-linked oxidases, C-terminal domain

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Unit-cell length a length_a	171.356 Å
Unit-cell length b length_b	171.356 Å
Unit-cell length c length_c	54.175 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	8

Space group space_group	P 42 21 2
Space-group number int_tables_number	94
Crystal system crystal_system	—

Resolution resolution	1.800 Å
Low-resolution limit resolution_low	15.000 Å
R factor r_factor	0.2060
R_work r_work	0.2050
R_free r_free	0.2210

Plant Cytokinin Dehydrogenase in Complex with Isopentenyladenine

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

CYTOKININ DEHYDROGENASE 1

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

1w1q__assembly_1__model_1

1w1q__assembly_1__model_1 | I(q)

1w1q__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

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) 5 domains

SCOP 2.08 (2 domains)

CATH v4.4 (3 domains)

7. Citations (1)

Plant Cytokinin Dehydrogenase in Complex with Isopentenyladenine

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

CYTOKININ DEHYDROGENASE 1

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

1w1q__assembly_1__model_1

1w1q__assembly_1__model_1 | I(q)

1w1q__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

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) 5 domains

SCOP 2.08 (2 domains)

CATH v4.4 (3 domains)

7. Citations (1)