SAXSdb — 1fim

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

MACROPHAGE MIGRATION INHIBITORY FACTOR

Rattus norvegicus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MIF_RAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–114； UniProt 1–114

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	1fim
Deposition date deposition_date	1996-01-31
Structure title title	MACROPHAGE MIGRATION INHIBITORY FACTOR
Keywords keywords	MACROPHAGE, INFLAMMATORY RESPONSE, CYTOKINE; CYTOKINE
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.

1fim__assembly_1__model_1

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

Download this curve (.dat)

1fim__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1fim__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.20 Å
Rg (electron density)	18.98 Å
Total Rg	19.82 Å
Atom count	2343
Residues	306
Excluded volume	41675 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1fim__assembly_1__model_1`	trimeric （3）	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) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1fima_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.80 — Tautomerase/MIF
Superfamily Superfamily superfamily	d.80.1 — Tautomerase/MIF
Family Family family	d.80.1.3 — MIF-related

CATH v4.4 (1 domains)

Domain ID domain_id	1fimA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	429 — Macrophage Migration Inhibitory Factor
Homologous superfamily homologous superfamily	10 — Macrophage Migration Inhibitory Factor

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Unit-cell length a length_a	61.800 Å
Unit-cell length b length_b	61.800 Å
Unit-cell length c length_c	53.400 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 63
Space-group number int_tables_number	173
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	5.000 Å
R factor r_factor	0.1970
R_work r_work	0.1970
R_free r_free	0.2440

Description description	MACROPHAGE MIGRATION INHIBITORY FACTOR
Molecular weight formula_weight	12282.7 kDa
Mutation mutation	M2A, M101A
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	781

MACROPHAGE MIGRATION INHIBITORY FACTOR

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

MACROPHAGE MIGRATION INHIBITORY FACTOR

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

1fim__assembly_1__model_1

1fim__assembly_1__model_1 | I(q)

1fim__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (2)

Source organism organism	Rattus norvegicus
Common name common_name	Norway rat
NCBI taxonomy ID ncbi_taxonomy_id	10116
Host organism host_organism	Escherichia coli

MACROPHAGE MIGRATION INHIBITORY FACTOR

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

MACROPHAGE MIGRATION INHIBITORY FACTOR

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

1fim__assembly_1__model_1

1fim__assembly_1__model_1 | I(q)

1fim__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (2)