4w4m

Crystal structure of PrgK 19-92

Method: X-RAY DIFFRACTION

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

Lipoprotein PrgK

Salmonella typhimurium

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
10	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
11	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
12	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
13	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
14	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
5	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
6	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
7	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
8	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
9	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PRGK_SALTY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 5–78； UniProt 19–92 Author chain B； PDBConstruct 5–78； UniProt 19–92 Author chain C； PDBConstruct 5–78； UniProt 19–92 Author chain D； PDBConstruct 5–78； UniProt 19–92 Author chain E； PDBConstruct 5–78； UniProt 19–92 Author chain F； PDBConstruct 5–78； UniProt 19–92 Author chain G； PDBConstruct 5–78； UniProt 19–92 Author chain H； PDBConstruct 5–78； UniProt 19–92 Author chain I； PDBConstruct 5–78； UniProt 19–92 Author chain J； PDBConstruct 5–78； UniProt 19–92 Author chain K； PDBConstruct 5–78； UniProt 19–92 Author chain L； PDBConstruct 5–78； UniProt 19–92 Author chain M； PDBConstruct 5–78； UniProt 19–92 Author chain N； PDBConstruct 5–78； UniProt 19–92

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	4w4m
Deposition date deposition_date	2014-08-15
Structure title title	Crystal structure of PrgK 19-92
Keywords keywords	T3SS, Salmonella, PROTEIN TRANSPORT; PROTEIN TRANSPORT
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.

4w4m__assembly_6__model_1

Assembly 6 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

4w4m__assembly_6__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4w4m__assembly_6__model_1 | P(r) · Pending

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

Rg（Guinier）	12.45 Å
Rg (electron density)	11.05 Å
Total Rg	12.62 Å
Atom count	481
Residues	61
Excluded volume	8644 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4w4m__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`4w4m__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`4w4m__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`4w4m__assembly_4__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`4w4m__assembly_5__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
6	1	`4w4m__assembly_6__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
7	1	`4w4m__assembly_7__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
8	1	`4w4m__assembly_8__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
9	1	`4w4m__assembly_9__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
10	1	`4w4m__assembly_10__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
11	1	`4w4m__assembly_11__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
12	1	`4w4m__assembly_12__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
13	1	`4w4m__assembly_13__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
14	1	`4w4m__assembly_14__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 (1)

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6. Fold Classification (SCOP + CATH) 14 domains

CATH v4.4 (14 domains)

Domain ID domain_id	4w4mA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mB00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mC00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mD00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mE00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mF00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mG00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mH00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mI00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mJ00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mK00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mL00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mM00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

Domain ID domain_id	4w4mN00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1530 — Hypothetical protein rpa1041

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Unit-cell length a length_a	88.120 Å
Unit-cell length b length_b	112.100 Å
Unit-cell length c length_c	112.100 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	56

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	3.200 Å
Low-resolution limit resolution_low	79.390 Å
R factor r_factor	0.2478
R_work r_work	0.2461
R_free r_free	0.2795

Description description	Lipoprotein PrgK
Molecular weight formula_weight	8767.0 kDa
Source method src_method	man
Copy count entity_count	14

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H,I,J,K,L,M,N
Atom count atom_count	6912

Crystal structure of PrgK 19-92

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

Lipoprotein PrgK

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

4w4m__assembly_6__model_1

4w4m__assembly_6__model_1 | I(q)

4w4m__assembly_6__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 14 domains

CATH v4.4 (14 domains)

7. Citations (1)

Source organism organism	Salmonella typhimurium
NCBI taxonomy ID ncbi_taxonomy_id	99287
Host organism host_organism	Escherichia coli

Crystal structure of PrgK 19-92

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

Lipoprotein PrgK

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

4w4m__assembly_6__model_1

4w4m__assembly_6__model_1 | I(q)

4w4m__assembly_6__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 14 domains

CATH v4.4 (14 domains)

7. Citations (1)