2pwf

Crystal structure of the MutB D200A mutant in complex with glucose

Method: X-RAY DIFFRACTION

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

Sucrose isomerase

Pseudomonas mesoacidophila

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	beta-D-glucopyranose × 1 CALCIUM ION × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	beta-D-glucopyranose × 1 CALCIUM ION × 1 water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	beta-D-glucopyranose × 1 CALCIUM ION × 1 water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	beta-D-glucopyranose × 1 CALCIUM ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q2PS28_9PSED
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–556； UniProt 29–584 Author chain B； PDBConstruct 1–556； UniProt 29–584 Author chain C； PDBConstruct 1–556； UniProt 29–584 Author chain D； PDBConstruct 1–556； UniProt 29–584

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	2pwf
Deposition date deposition_date	2007-05-11
Structure title title	Crystal structure of the MutB D200A mutant in complex with glucose
Keywords keywords	TREHALULOSE SYNTHASE, SUCROSE ISOMERASE, ALPHA-AMYLASE FAMILY, (BETA/ALPHA)8, BARREL, enzyme complex, Isomerase; ISOMERASE
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.

2pwf__assembly_1__model_1

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

Download this curve (.dat)

2pwf__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2pwf__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.45 Å
Rg (electron density)	23.28 Å
Total Rg	24.22 Å
Atom count	4490
Residues	555
Excluded volume	78914 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2pwf__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2pwf__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2pwf__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`2pwf__assembly_4__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 (4)

Entity 1 Entity 1 polymer

Description description	Sucrose isomerase
Molecular weight formula_weight	63765.7 kDa
EC 编号 ec_number	5.4.99.11
Mutation mutation	D200A
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	21145

PGAPWWKSAVFYQVYPRSFKDTNGDGIGDFKGLTEKLDYLKGLGIDAIWINPHYASPNTDNGYDISDYREVMKEYGTMEDFDRLMAELKKRGMRLMVDVVINHSSDQHEWFKSSRASKDNPYRDYYFWRDGKDGHEPNNYPSFFGGSAWEKDPVTGQYYLHYFGRQQPDLNWDTPKLREELYAMLRFWLDKGVSGMRFATVATYSKTPGFPDLTPEQMKNFAEAYTQGPNLHRYLQEMHEKVFDHYDAVTAGEIFGAPLNQVPLFIDSRRKELDMAFTFDLIRYDRALDRWHTIPRTLADFRQTIDKVDAIAGEYGWNTFFLGNHDNPRAVSHFGDDRPQWREASAKALATVTLTQRGTPFIFQGDELGMTNYPFKTLQDFDDIEVKGFFQDYVETGKATAEELLTNVALTSRDNARTPFQWDDSANAGFTTGKPWLKVNPNYTEINAAREIGDPKSVYSFYRNLISIRHETPALSTGSYRDIDPSNADVYAYTRSQDGETYLVVVNFKAEPRSFTLPDGMHIAETLIESSSPAAPAAGAASLELQPWQSGIYKVK

Source Source

Source organism organism	Pseudomonas mesoacidophila
NCBI taxonomy ID ncbi_taxonomy_id	265293
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	beta-D-glucopyranose
Molecular weight formula_weight	180.2 kDa
Source method src_method	man
Copy count entity_count	4

Entity 3 Entity 3 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	3191

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6. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d2pwfa1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.8 — (Trans)glycosidases
Family Family family	c.1.8.1 — Amylase, catalytic domain

Domain ID domain_id	d2pwfa2
Class class	b — All beta proteins
Fold Fold fold	b.71 — Glycosyl hydrolase domain
Superfamily Superfamily superfamily	b.71.1 — Glycosyl hydrolase domain
Family Family family	b.71.1.0 — automated matches

Domain ID domain_id	d2pwfb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.8 — (Trans)glycosidases
Family Family family	c.1.8.1 — Amylase, catalytic domain

Domain ID domain_id	d2pwfb2
Class class	b — All beta proteins
Fold Fold fold	b.71 — Glycosyl hydrolase domain
Superfamily Superfamily superfamily	b.71.1 — Glycosyl hydrolase domain
Family Family family	b.71.1.0 — automated matches

Domain ID domain_id	d2pwfc1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.8 — (Trans)glycosidases
Family Family family	c.1.8.1 — Amylase, catalytic domain

Domain ID domain_id	d2pwfc2
Class class	b — All beta proteins
Fold Fold fold	b.71 — Glycosyl hydrolase domain
Superfamily Superfamily superfamily	b.71.1 — Glycosyl hydrolase domain
Family Family family	b.71.1.0 — automated matches

Domain ID domain_id	d2pwfd1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.8 — (Trans)glycosidases
Family Family family	c.1.8.1 — Amylase, catalytic domain

Domain ID domain_id	d2pwfd2
Class class	b — All beta proteins
Fold Fold fold	b.71 — Glycosyl hydrolase domain
Superfamily Superfamily superfamily	b.71.1 — Glycosyl hydrolase domain
Family Family family	b.71.1.0 — automated matches

CATH v4.4 (12 domains)

Domain ID domain_id	2pwfA01
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	80 — Glycosidases

Domain ID domain_id	2pwfA02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	400 — Oligo-1,6-glucosidase; domain 2
Homologous superfamily homologous superfamily	10 — Oligo-1,6-glucosidase; Domain 2

Domain ID domain_id	2pwfA03
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1180 — Golgi alpha-mannosidase II

Domain ID domain_id	2pwfB01
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	80 — Glycosidases

Domain ID domain_id	2pwfB02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	400 — Oligo-1,6-glucosidase; domain 2
Homologous superfamily homologous superfamily	10 — Oligo-1,6-glucosidase; Domain 2

Domain ID domain_id	2pwfB03
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1180 — Golgi alpha-mannosidase II

Domain ID domain_id	2pwfC01
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	80 — Glycosidases

Domain ID domain_id	2pwfC02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	400 — Oligo-1,6-glucosidase; domain 2
Homologous superfamily homologous superfamily	10 — Oligo-1,6-glucosidase; Domain 2

Domain ID domain_id	2pwfC03
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1180 — Golgi alpha-mannosidase II

Domain ID domain_id	2pwfD01
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	80 — Glycosidases

Domain ID domain_id	2pwfD02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	400 — Oligo-1,6-glucosidase; domain 2
Homologous superfamily homologous superfamily	10 — Oligo-1,6-glucosidase; Domain 2

Domain ID domain_id	2pwfD03
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1180 — Golgi alpha-mannosidase II

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Unit-cell length a length_a	63.980 Å
Unit-cell length b length_b	85.810 Å
Unit-cell length c length_c	122.140 Å
Unit-cell angle α angle_alpha	81.77 °
Unit-cell angle β angle_beta	81.43 °
Unit-cell angle γ angle_gamma	89.94 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	1.800 Å
Low-resolution limit resolution_low	45.850 Å
R factor r_factor	0.1980
R_work r_work	0.1980
R_free r_free	0.2380

Crystal structure of the MutB D200A mutant in complex with glucose

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

Sucrose isomerase

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

2pwf__assembly_1__model_1

2pwf__assembly_1__model_1 | I(q)

2pwf__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) 20 domains

SCOP 2.08 (8 domains)

CATH v4.4 (12 domains)

7. Citations (1)

Crystal structure of the MutB D200A mutant in complex with glucose

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

Sucrose isomerase

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

2pwf__assembly_1__model_1

2pwf__assembly_1__model_1 | I(q)

2pwf__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) 20 domains

SCOP 2.08 (8 domains)

CATH v4.4 (12 domains)

7. Citations (1)