SAXSdb — 1fd9

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

PROTEIN (MACROPHAGE INFECTIVITY POTENTIATOR PROTEIN)

Legionella pneumophila

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	ZINC ION × 4 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MIP_LEGPN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–213； UniProt 21–233

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	1fd9
Deposition date deposition_date	2000-07-20
Structure title title	CRYSTAL STRUCTURE OF THE MACROPHAGE INFECTIVITY POTENTIATOR PROTEIN (MIP) A MAJOR VIRULENCE FACTOR FROM LEGIONELLA PNEUMOPHILA
Keywords keywords	FKBP DOMAIN, LONG ALPHA HELIX, DIMERISATION VIA HELICAL INTERACTIONS, ISOMERASE; ISOMERASE
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.

1fd9__assembly_1__model_1

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

Download this curve (.dat)

1fd9__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1fd9__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	31.14 Å
Rg (electron density)	30.32 Å
Total Rg	31.10 Å
Atom count	3098
Residues	408
Excluded volume	55614 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1fd9__assembly_1__model_1`	dimeric （2）	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	PROTEIN (MACROPHAGE INFECTIVITY POTENTIATOR PROTEIN)
Molecular weight formula_weight	22869.0 kDa
EC 编号 ec_number	5.2.1.8
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1645

ATDATSLATDKDKLSYSIGADLGKNFKNQGIDVNPEAMAKGMQDAMSGAQLALTEQQMKDVLNKFQKDLMAKRTAEFNKKADENKVKGEAFLTENKNKPGVVVLPSGLQYKVINSGNGVKPGKSDTVTVEYTGRLIDGTVFDSTEKTGKPATFQVSQVIPGWTEALQLMPAGSTWEIYVPSGLAYGPRSVGGPIGPNETLIFKIHLISVKKSS

Source Source

Source organism organism	Legionella pneumophila
NCBI taxonomy ID ncbi_taxonomy_id	446
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	96

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1fd9a_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.26 — FKBP-like
Superfamily Superfamily superfamily	d.26.1 — FKBP-like
Family Family family	d.26.1.1 — FKBP immunophilin/proline isomerase

CATH v4.4 (2 domains)

Domain ID domain_id	1fd9A01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	50 — Chitinase A; domain 3
Homologous superfamily homologous superfamily	40 —

Domain ID domain_id	1fd9A02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	460 — Peptidyl-prolyl cis-trans isomerase, FKBP-type, N-terminal domain

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Unit-cell length a length_a	80.750 Å
Unit-cell length b length_b	80.750 Å
Unit-cell length c length_c	103.260 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	8

Space group space_group	P 43 21 2
Space-group number int_tables_number	96
Crystal system crystal_system	—

Resolution resolution	2.410 Å
Low-resolution limit resolution_low	22.400 Å
R factor r_factor	0.2302
R_work r_work	0.2302
R_free r_free	0.2800

CRYSTAL STRUCTURE OF THE MACROPHAGE INFECTIVITY POTENTIATOR PROTEIN (MIP) A MAJOR VIRULENCE FACTOR FROM LEGIONELLA PNEUMOPHILA

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

PROTEIN (MACROPHAGE INFECTIVITY POTENTIATOR PROTEIN)

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

1fd9__assembly_1__model_1

1fd9__assembly_1__model_1 | I(q)

1fd9__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 (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) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (4)

CRYSTAL STRUCTURE OF THE MACROPHAGE INFECTIVITY POTENTIATOR PROTEIN (MIP) A MAJOR VIRULENCE FACTOR FROM LEGIONELLA PNEUMOPHILA

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

PROTEIN (MACROPHAGE INFECTIVITY POTENTIATOR PROTEIN)

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

1fd9__assembly_1__model_1

1fd9__assembly_1__model_1 | I(q)

1fd9__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 (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) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (4)