SAXSdb — 1gnx

▼

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

BETA-GLUCOSIDASE

STREPTOMYCES SP.

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Homooligomer	Protein 2 其他Polymer 1	beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 SULFATE ION × 3 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q59976
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–479； UniProt 1–479 Author chain B； PDBConstruct 1–479； UniProt 1–479

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	1gnx
Deposition date deposition_date	2001-10-10
Structure title title	b-glucosidase from Streptomyces sp
Keywords keywords	HYDROLASE, GLYCOSYLTRANSFERASE, FAMILY 1 OF GLYCOSYL HYDROLASE; HYDROLASE
Experimental Method method	X-RAY DIFFRACTION

▼

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.

1gnx__assembly_1__model_1

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

Download this curve (.dat)

1gnx__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1gnx__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	32.06 Å
Rg (electron density)	31.33 Å
Total Rg	32.08 Å
Atom count	7022
Residues	896
Excluded volume	122950 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1gnx__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	BETA-GLUCOSIDASE
Molecular weight formula_weight	52379.0 kDa
EC 编号 ec_number	3.2.1.21
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	7617

MVPAAQQTATAPDAALTFPEGFLWGSATASYQIEGAAAEDGRTPSIWDTYARTPGRVRNGDTGDVATDHYHRWREDVALMAELGLGAYRFSLAWPRIQPTGRGPALQKGLDFYRRLADELLAKGIQPVATLYHWDLPQELENAGGWPERATAERFAEYAAIAADALGDRVKTWTTLNEPWCSAFLGYGSGVHAPGRTDPVAALRAAHHLNLGHGLAVQALRDRLPADAQCSVTLNIHHVRPLTDSDADADAVRRIDALANRVFTGPMLQGAYPEDLVKDTAGLTDWSFVRDGDLRLAHQKLDFLGVNYYSPTLVSEADGSGTHNSDGHGRSAHSPWPGADRVAFHQPPGETTAMGWAVDPSGLYELLRRLSSDFPALPLVITENGAAFHDYADPEGNVNDPERIAYVRDHLAAVHRAIKDGSDVRGYFLWSLLDNFEWAHGYSKRFGAVYVDYPTGTRIPKASARWYAEVARTGVLPTA

Source Source

Source organism organism	STREPTOMYCES SP.
NCBI taxonomy ID ncbi_taxonomy_id	1931
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 branched

Description description	beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose
Molecular weight formula_weight	342.3 kDa
Source method src_method	man
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	595

▼

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1gnxa_
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.1.8.4 — Family 1 of glycosyl hydrolase

Domain ID domain_id	d1gnxb_
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.1.8.4 — Family 1 of glycosyl hydrolase

CATH v4.4 (2 domains)

Domain ID domain_id	1gnxA00
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	1gnxB00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	80 — Glycosidases

▶

Unit-cell length a length_a	96.700 Å
Unit-cell length b length_b	111.280 Å
Unit-cell length c length_c	185.310 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	16

Space group space_group	I 2 2 2
Space-group number int_tables_number	23
Crystal system crystal_system	—

Resolution resolution	1.680 Å
Low-resolution limit resolution_low	40.000 Å
R factor r_factor	0.1900
R_work r_work	0.1900
R_free r_free	0.2100

b-glucosidase from Streptomyces sp

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

BETA-GLUCOSIDASE

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

1gnx__assembly_1__model_1

1gnx__assembly_1__model_1 | I(q)

1gnx__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 branched

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (2)

b-glucosidase from Streptomyces sp

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

BETA-GLUCOSIDASE

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

1gnx__assembly_1__model_1

1gnx__assembly_1__model_1 | I(q)

1gnx__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 branched

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (2)