1hqz

Cofilin homology domain of a yeast actin-binding protein ABP1P

Method: X-RAY DIFFRACTION

▼

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

ACTIN-BINDING PROTEIN

Saccharomyces cerevisiae

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
10	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
5	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
6	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
7	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
8	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
9	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	ABP1_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain 1； PDBConstruct 1–141； UniProt 1–141 Author chain 2； PDBConstruct 1–141； UniProt 1–141 Author chain 3； PDBConstruct 1–141； UniProt 1–141 Author chain 4； PDBConstruct 1–141； UniProt 1–141 Author chain 5； PDBConstruct 1–141； UniProt 1–141 Author chain 6； PDBConstruct 1–141； UniProt 1–141 Author chain 7； PDBConstruct 1–141； UniProt 1–141 Author chain 8； PDBConstruct 1–141； UniProt 1–141 Author chain 9； PDBConstruct 1–141； UniProt 1–141

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	1hqz
Deposition date deposition_date	2000-12-20
Structure title title	Cofilin homology domain of a yeast actin-binding protein ABP1P
Keywords keywords	;cofilin homology domain, actin binding, New York SGX Research Center for Structural Genomics, NYSGXRC, Structural Genomics, PSI, Protein Structure Initiative, structural protein ;; STRUCTURAL PROTEIN
Experimental Method method	X-RAY DIFFRACTION

▼

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.

1hqz__assembly_7__model_1

Assembly 7 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1hqz__assembly_7__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1hqz__assembly_7__model_1 | P(r) · Pending

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

Rg（Guinier）	15.62 Å
Rg (electron density)	14.14 Å
Total Rg	15.50 Å
Atom count	1060
Residues	134
Excluded volume	18777 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1hqz__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1hqz__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`1hqz__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`1hqz__assembly_4__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`1hqz__assembly_5__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
6	1	`1hqz__assembly_6__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
7	1	`1hqz__assembly_7__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
8	1	`1hqz__assembly_8__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
9	1	`1hqz__assembly_9__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
10	1	`1hqz__assembly_10__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 18 domains

SCOP 2.08 (9 domains)

Domain ID domain_id	d1hqz1_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.109 — Gelsolin-like
Superfamily Superfamily superfamily	d.109.1 — Actin depolymerizing proteins
Family Family family	d.109.1.2 — Cofilin-like

Domain ID domain_id	d1hqz2_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.109 — Gelsolin-like
Superfamily Superfamily superfamily	d.109.1 — Actin depolymerizing proteins
Family Family family	d.109.1.2 — Cofilin-like

Domain ID domain_id	d1hqz3_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.109 — Gelsolin-like
Superfamily Superfamily superfamily	d.109.1 — Actin depolymerizing proteins
Family Family family	d.109.1.2 — Cofilin-like

Domain ID domain_id	d1hqz4_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.109 — Gelsolin-like
Superfamily Superfamily superfamily	d.109.1 — Actin depolymerizing proteins
Family Family family	d.109.1.2 — Cofilin-like

Domain ID domain_id	d1hqz5_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.109 — Gelsolin-like
Superfamily Superfamily superfamily	d.109.1 — Actin depolymerizing proteins
Family Family family	d.109.1.2 — Cofilin-like

Domain ID domain_id	d1hqz6_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.109 — Gelsolin-like
Superfamily Superfamily superfamily	d.109.1 — Actin depolymerizing proteins
Family Family family	d.109.1.2 — Cofilin-like

Domain ID domain_id	d1hqz7_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.109 — Gelsolin-like
Superfamily Superfamily superfamily	d.109.1 — Actin depolymerizing proteins
Family Family family	d.109.1.2 — Cofilin-like

Domain ID domain_id	d1hqz8_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.109 — Gelsolin-like
Superfamily Superfamily superfamily	d.109.1 — Actin depolymerizing proteins
Family Family family	d.109.1.2 — Cofilin-like

Domain ID domain_id	d1hqz9_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.109 — Gelsolin-like
Superfamily Superfamily superfamily	d.109.1 — Actin depolymerizing proteins
Family Family family	d.109.1.2 — Cofilin-like

CATH v4.4 (9 domains)

Domain ID domain_id	1hqz100
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	20 — Severin
Homologous superfamily homologous superfamily	10 — Severin

Domain ID domain_id	1hqz200
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	20 — Severin
Homologous superfamily homologous superfamily	10 — Severin

Domain ID domain_id	1hqz300
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	20 — Severin
Homologous superfamily homologous superfamily	10 — Severin

Domain ID domain_id	1hqz400
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	20 — Severin
Homologous superfamily homologous superfamily	10 — Severin

Domain ID domain_id	1hqz500
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	20 — Severin
Homologous superfamily homologous superfamily	10 — Severin

Domain ID domain_id	1hqz600
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	20 — Severin
Homologous superfamily homologous superfamily	10 — Severin

Domain ID domain_id	1hqz700
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	20 — Severin
Homologous superfamily homologous superfamily	10 — Severin

Domain ID domain_id	1hqz800
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	20 — Severin
Homologous superfamily homologous superfamily	10 — Severin

Domain ID domain_id	1hqz900
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	20 — Severin
Homologous superfamily homologous superfamily	10 — Severin

▶

Unit-cell length a length_a	156.480 Å
Unit-cell length b length_b	66.680 Å
Unit-cell length c length_c	125.100 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	108.26 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	36

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

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	15.000 Å
R factor r_factor	0.2150
R_work r_work	0.2130
R_free r_free	0.2590

Description description	ACTIN-BINDING PROTEIN
Molecular weight formula_weight	15638.4 kDa
Source method src_method	man
Copy count entity_count	9

Polymer type type	polypeptide(L)
Chain IDs strand_id	1,2,3,4,5,6,7,8,9
Atom count atom_count	10178

Cofilin homology domain of a yeast actin-binding protein ABP1P

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

ACTIN-BINDING 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

1hqz__assembly_7__model_1

1hqz__assembly_7__model_1 | I(q)

1hqz__assembly_7__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 18 domains

SCOP 2.08 (9 domains)

CATH v4.4 (9 domains)

7. Citations (4)

Source organism organism	Saccharomyces cerevisiae
Common name common_name	;baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	516

Cofilin homology domain of a yeast actin-binding protein ABP1P

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

ACTIN-BINDING 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

1hqz__assembly_7__model_1

1hqz__assembly_7__model_1 | I(q)

1hqz__assembly_7__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 18 domains

SCOP 2.08 (9 domains)

CATH v4.4 (9 domains)

7. Citations (4)