SAXSdb — 4mvn

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

Serine protease splA

Staphylococcus aureus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	[(1S)-1-{[(benzyloxy)carbonyl]amino}-2-phenylethyl]phosphonic acid × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	[(1S)-1-{[(benzyloxy)carbonyl]amino}-2-phenylethyl]phosphonic acid × 1 water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	[(1S)-1-{[(benzyloxy)carbonyl]amino}-2-phenylethyl]phosphonic acid × 1 water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	[(1S)-1-{[(benzyloxy)carbonyl]amino}-2-phenylethyl]phosphonic acid × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SPLA_STAA8
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–200； UniProt 36–235 Author chain B； PDBConstruct 1–200； UniProt 36–235 Author chain C； PDBConstruct 1–200； UniProt 36–235 Author chain D； PDBConstruct 1–200； UniProt 36–235

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	4mvn
Deposition date deposition_date	2013-09-24
Structure title title	Crystal structure of the staphylococcal serine protease SplA in complex with a specific phosphonate inhibitor
Keywords keywords	CHYMOTRYPSIN-LIKE FOLD, SERINE ENDOPEPTIDASE, EXTRACELLULAR STAPHYLOCOCCAL PROTEASES, HYDROLASE-HYDROLASE INHIBITOR COMPLEX; HYDROLASE/HYDROLASE INHIBITOR
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.

4mvn__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

4mvn__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4mvn__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	16.54 Å
Rg (electron density)	15.38 Å
Total Rg	16.45 Å
Atom count	1501
Residues	199
Excluded volume	26362 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4mvn__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`4mvn__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`4mvn__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`4mvn__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 (3)

Entity 1 Entity 1 polymer

Description description	Serine protease splA
Molecular weight formula_weight	21885.5 kDa
EC 编号 ec_number	3.4.21.-
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	7077

EKNVKEITDATKEPYNSVVAFVGGTGVVVGKNTIVTNKHIAKSNDIFKNRVSAHHSSKGKGGGNYDVKDIVEYPGKEDLAIVHVHETSTEGLNFNKNVSYTKFADGAKVKDRISVIGYPKGAQTKYKMFESTGTINHISGTFMEFDAYAQPGNSGSPVLNSKHELIGILYAGSGKDESEKNFGVYFTPQLKEFIQNNIEK

Source Source

Source organism organism	Staphylococcus aureus
NCBI taxonomy ID ncbi_taxonomy_id	93061
Host organism host_organism	Bacillus subtilis

Entity 2 Entity 2 non-polymer

Description description	[(1S)-1-{[(benzyloxy)carbonyl]amino}-2-phenylethyl]phosphonic acid
Molecular weight formula_weight	335.3 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	873

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6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d4mvna_
Class class	b — All beta proteins
Fold Fold fold	b.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
Family Family family	b.47.1.0 — automated matches

Domain ID domain_id	d4mvnb_
Class class	b — All beta proteins
Fold Fold fold	b.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
Family Family family	b.47.1.0 — automated matches

Domain ID domain_id	d4mvnc_
Class class	b — All beta proteins
Fold Fold fold	b.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
Family Family family	b.47.1.0 — automated matches

Domain ID domain_id	d4mvnd_
Class class	b — All beta proteins
Fold Fold fold	b.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
Family Family family	b.47.1.0 — automated matches

CATH v4.4 (8 domains)

Domain ID domain_id	4mvnA01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	4mvnA02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	4mvnB01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	4mvnB02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	4mvnC01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	4mvnC02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	4mvnD01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	4mvnD02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

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Unit-cell length a length_a	73.131 Å
Unit-cell length b length_b	81.626 Å
Unit-cell length c length_c	133.787 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	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.700 Å
Low-resolution limit resolution_low	25.000 Å
R factor r_factor	0.1670
R_work r_work	0.1650
R_free r_free	0.2090

Crystal structure of the staphylococcal serine protease SplA in complex with a specific phosphonate inhibitor

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

Serine protease splA

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

4mvn__assembly_2__model_1

4mvn__assembly_2__model_1 | I(q)

4mvn__assembly_2__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

CATH v4.4 (8 domains)

7. Citations (1)

Crystal structure of the staphylococcal serine protease SplA in complex with a specific phosphonate inhibitor

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

Serine protease splA

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

4mvn__assembly_2__model_1

4mvn__assembly_2__model_1 | I(q)

4mvn__assembly_2__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

CATH v4.4 (8 domains)

7. Citations (1)