SAXSdb — 1r2m

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

Hydrophobin II

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	MANGANESE (II) ION × 1 water × 1	Consistent with protein count
2	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	HYP2_TRIRE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–71； UniProt 16–86 Author chain B； PDBConstruct 1–71； UniProt 16–86

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	1r2m
Deposition date deposition_date	2003-09-29
Structure title title	Atomic resolution structure of the HFBII hydrophobin: a self-assembling amphiphile
Keywords keywords	amphiphile, fungi, self-assembly, protein surfactant, surface active protein; surface active protein
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.

1r2m__assembly_2__model_1

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

Download this curve (.dat)

1r2m__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1r2m__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	11.28 Å
Rg (electron density)	10.43 Å
Total Rg	11.84 Å
Atom count	486
Residues	70
Excluded volume	8808 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1r2m__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1r2m__assembly_2__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)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1r2ma_
Class class	b — All beta proteins
Fold Fold fold	b.138 — Hydrophobin II, HfbII
Superfamily Superfamily superfamily	b.138.1 — Hydrophobin II, HfbII
Family Family family	b.138.1.1 — Hydrophobin II, HfbII

Domain ID domain_id	d1r2mb_
Class class	b — All beta proteins
Fold Fold fold	b.138 — Hydrophobin II, HfbII
Superfamily Superfamily superfamily	b.138.1 — Hydrophobin II, HfbII
Family Family family	b.138.1.1 — Hydrophobin II, HfbII

CATH v4.4 (2 domains)

Domain ID domain_id	1r2mA00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	120 — hfbii hydrophobin
Homologous superfamily homologous superfamily	10 — Hydrophobin

Domain ID domain_id	1r2mB00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	120 — hfbii hydrophobin
Homologous superfamily homologous superfamily	10 — Hydrophobin

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Unit-cell length a length_a	78.657 Å
Unit-cell length b length_b	46.310 Å
Unit-cell length c length_c	34.593 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	112.16 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	1.000 Å
Low-resolution limit resolution_low	25.000 Å
R factor r_factor	0.1379
R_work r_work	0.1371
R_free r_free	0.1532

Description description	Hydrophobin II
Molecular weight formula_weight	7201.5 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	1261

Atomic resolution structure of the HFBII hydrophobin: a self-assembling amphiphile

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

Hydrophobin II

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

1r2m__assembly_2__model_1

1r2m__assembly_2__model_1 | I(q)

1r2m__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Description description	MANGANESE (II) ION
Molecular weight formula_weight	54.9 kDa
Source method src_method	syn
Copy count entity_count	1

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	251

Atomic resolution structure of the HFBII hydrophobin: a self-assembling amphiphile

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

Hydrophobin II

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

1r2m__assembly_2__model_1

1r2m__assembly_2__model_1 | I(q)

1r2m__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)