SAXSdb — 2std

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

SCYTALONE DEHYDRATASE

Magnaporthe grisea

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	SULFATE ION × 3 ((1RS,3SR)-2,2-DICHLORO-N-[(R)-1-(4-CHLOROPHENYL)ETHYL]-1-ETHYL-3-METHYLCYCLOPROPANECARBOXAMIDE × 3 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SCYD_MAGGR
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–172； UniProt 1–172

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	2std
Deposition date deposition_date	1997-12-21
Structure title title	SCYTALONE DEHYDRATASE COMPLEXED WITH TIGHT-BINDING INHIBITOR CARPROPAMID
Keywords keywords	LYASE, MELANINE BIOSYNTHESIS; LYASE
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.

2std__assembly_1__model_1

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

Download this curve (.dat)

2std__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2std__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.31 Å
Rg (electron density)	22.22 Å
Total Rg	23.15 Å
Atom count	4104
Residues	486
Excluded volume	72404 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2std__assembly_1__model_1`	trimeric （3）	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	SCYTALONE DEHYDRATASE
Molecular weight formula_weight	20280.9 kDa
EC 编号 ec_number	4.2.1.94
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	1542

MGSQVQKSDEITFSDYLGLMTCVYEWADSYDSKDWDRLRKVIAPTLRIDYRSFLDKLWEAMPAEEFVGMVSSKQVLGDPTLRTQHFIGGTRWEKVSEDEVIGYHQLRVPHQRYKDTTMKEVTMKGHAHSANLHWYKKIDGVWKFAGLKPDIRWGEFDFDRIFEDGRETFGDK

Source Source

Source organism organism	Magnaporthe grisea
NCBI taxonomy ID ncbi_taxonomy_id	148305
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	((1RS,3SR)-2,2-DICHLORO-N-[(R)-1-(4-CHLOROPHENYL)ETHYL]-1-ETHYL-3-METHYLCYCLOPROPANECARBOXAMIDE
Molecular weight formula_weight	334.7 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	174

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d2stda_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.17 — Cystatin-like
Superfamily Superfamily superfamily	d.17.4 — NTF2-like
Family Family family	d.17.4.1 — Scytalone dehydratase

CATH v4.4 (1 domains)

Domain ID domain_id	2stdA00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	450 — Nuclear Transport Factor 2; Chain: A,
Homologous superfamily homologous superfamily	50 —

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Unit-cell length a length_a	74.540 Å
Unit-cell length b length_b	74.540 Å
Unit-cell length c length_c	71.200 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 3 2 1
Space-group number int_tables_number	150
Crystal system crystal_system	—

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	8.000 Å
R factor r_factor	0.1790
R_work r_work	0.1790
R_free r_free	0.2590

SCYTALONE DEHYDRATASE COMPLEXED WITH TIGHT-BINDING INHIBITOR CARPROPAMID

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

SCYTALONE DEHYDRATASE

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

2std__assembly_1__model_1

2std__assembly_1__model_1 | I(q)

2std__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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

SCYTALONE DEHYDRATASE COMPLEXED WITH TIGHT-BINDING INHIBITOR CARPROPAMID

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

SCYTALONE DEHYDRATASE

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

2std__assembly_1__model_1

2std__assembly_1__model_1 | I(q)

2std__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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)