SAXSdb — 9hnv

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

N-acetylmuramoyl-L-alanine amidase

Mycobacterium phage DS6A

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	G8I4E0_9CAUD
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–198； UniProt 1–196 Author chain B； PDBConstruct 3–198； UniProt 1–196 Author chain C； PDBConstruct 3–198； UniProt 1–196

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	9hnv
Deposition date deposition_date	2024-12-11
Last revision last_revision	2026-04-22
Structure title title	Crystal structure of a N-terminal GH19 domain of DS6A-LysA
Keywords keywords	GH19, DS6A-LysA, glycosil hydrolase, Peptidoglycan hydrolisis, HYDROLASE; HYDROLASE
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.

9hnv__assembly_1__model_1

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

Download this curve (.dat)

9hnv__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9hnv__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	17.26 Å
Rg (electron density)	16.29 Å
Total Rg	17.22 Å
Atom count	1511
Residues	198
Excluded volume	26374 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9hnv__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`9hnv__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`9hnv__assembly_3__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 (2)

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Unit-cell length a length_a	89.175 Å
Unit-cell length b length_b	145.941 Å
Unit-cell length c length_c	147.703 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	I 2 2 2
Space-group number int_tables_number	23
Crystal system crystal_system	orthorhombic

Resolution resolution	2.750 Å
Low-resolution limit resolution_low	76.340 Å
R factor r_factor	0.2410
R_work r_work	0.2390
R_free r_free	0.2828

Description description	N-acetylmuramoyl-L-alanine amidase
Molecular weight formula_weight	21688.3 kDa
EC 编号 ec_number	3.5.1.28
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	4630

Crystal structure of a N-terminal GH19 domain of DS6A-LysA

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

N-acetylmuramoyl-L-alanine amidase

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

9hnv__assembly_1__model_1

9hnv__assembly_1__model_1 | I(q)

9hnv__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	Mycobacterium phage DS6A
NCBI taxonomy ID ncbi_taxonomy_id	45764
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	95

Crystal structure of a N-terminal GH19 domain of DS6A-LysA

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

N-acetylmuramoyl-L-alanine amidase

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

9hnv__assembly_1__model_1

9hnv__assembly_1__model_1 | I(q)

9hnv__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)