SAXSdb — 22uy

▼

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

(R)-S-adenosyl-L-methionine hydrolase

Methanocaldococcus jannaschii DSM 2661

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RSAMH_METJA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–263； UniProt 1–263 Author chain B； PDBConstruct 1–263； UniProt 1–263 Author chain C； PDBConstruct 1–263； UniProt 1–263

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	22uy
Deposition date deposition_date	2026-01-24
Last revision last_revision	2026-03-18
Structure title title	S-adenosyl-L-methionine hydrolase(MJ1651) mutant-R89A
Keywords keywords	Adenosyl-Iodine synthase (protein), TRANSFERASE; TRANSFERASE
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.

22uy__assembly_1__model_1

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

Download this curve (.dat)

22uy__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

22uy__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	28.08 Å
Rg (electron density)	26.94 Å
Total Rg	28.07 Å
Atom count	5758
Residues	713
Excluded volume	104610 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`22uy__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▶

Unit-cell length a length_a	122.550 Å
Unit-cell length b length_b	160.770 Å
Unit-cell length c length_c	124.020 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	24

Space group space_group	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	orthorhombic

Resolution resolution	2.750 Å
Low-resolution limit resolution_low	39.590 Å
R factor r_factor	0.2018
R_work r_work	0.1981
R_free r_free	0.2579

Description description	(R)-S-adenosyl-L-methionine hydrolase
Molecular weight formula_weight	31333.1 kDa
EC 编号 ec_number	3.13.2.3
Mutation mutation	R89Q
Source method src_method	man
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	5773

S-adenosyl-L-methionine hydrolase(MJ1651) mutant-R89A

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

(R)-S-adenosyl-L-methionine hydrolase

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

22uy__assembly_1__model_1

22uy__assembly_1__model_1 | I(q)

22uy__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

7. Citations (1)

Source organism organism	Methanocaldococcus jannaschii DSM 2661
NCBI taxonomy ID ncbi_taxonomy_id	243232
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	15

S-adenosyl-L-methionine hydrolase(MJ1651) mutant-R89A

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

(R)-S-adenosyl-L-methionine hydrolase

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

22uy__assembly_1__model_1

22uy__assembly_1__model_1 | I(q)

22uy__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

7. Citations (1)