SAXSdb — 7h61

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

Chymase

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	ZINC ION × 1 N-(2-{6-ethyl-2-[(R)-[(3R)-2-hydroxy-5-oxo-3-phenylcyclopent-1-en-1-yl](phenyl)methyl]-1H-indol-3-yl}ethyl)acetamide × 1 DIMETHYL SULFOXIDE × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CMA1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–226； UniProt 22–247

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	7h61
Deposition date deposition_date	2024-04-19
Structure title title	THE 1.76 A CRYSTAL STRUCTURE OF HUMAN CHYMASE IN COMPLEX WITH N-[2-[6-ethyl-2-[(2-hydroxy-5-oxo-3-phenylcyclopenten-1-yl)-phenylmethyl]-1H-indol-3-yl]ethyl]acetamide
Keywords keywords	HUMAN CHYMASE, SERINE PROTEINASE, HYDROLASE; HYDROLASE
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.

7h61__assembly_1__model_1

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

Download this curve (.dat)

7h61__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7h61__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	17.98 Å
Rg (electron density)	16.65 Å
Total Rg	17.85 Å
Atom count	1801
Residues	226
Excluded volume	32045 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7h61__assembly_1__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 (5)

Entity 1 Entity 1 polymer

Description description	Chymase
Molecular weight formula_weight	25032.9 kDa
EC 编号 ec_number	3.4.21.39
Mutation mutation	C28S, F135K
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	2263

IIGGTESKPHSRPYMAYLEIVTSNGPSKFCGGFLIRRNFVLTAAHCAGRSITVTLGAHNITEEEDTWQKLEVIKQFRHPKYNTSTLHHDIMLLKLKEKASLTLAVGTLPFPSQKNFVPPGRMCRVAGWGRTGVLKPGSDTLQEVKLRLMDPQACSHFRDFDHNLQLCVGNPRKTKSAFKGDSGGPLLCAGVAQGIVSYGRSDAKPPAVFTRISHYRPWINQILQAN

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
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	1

Entity 3 Entity 3 non-polymer

Description description	N-(2-{6-ethyl-2-[(R)-[(3R)-2-hydroxy-5-oxo-3-phenylcyclopent-1-en-1-yl](phenyl)methyl]-1H-indol-3-yl}ethyl)acetamide
Molecular weight formula_weight	492.6 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	DIMETHYL SULFOXIDE
Molecular weight formula_weight	78.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	375

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Unit-cell length a length_a	74.740 Å
Unit-cell length b length_b	74.740 Å
Unit-cell length c length_c	49.350 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	4

Space group space_group	P 43
Space-group number int_tables_number	78
Crystal system crystal_system	—

Resolution resolution	1.740 Å
Low-resolution limit resolution_low	19.120 Å
R factor r_factor	0.1568
R_work r_work	0.1555
R_free r_free	0.1821

THE 1.76 A CRYSTAL STRUCTURE OF HUMAN CHYMASE IN COMPLEX WITH N-[2-[6-ethyl-2-[(2-hydroxy-5-oxo-3-phenylcyclopenten-1-yl)-phenylmethyl]-1H-indol-3-yl]ethyl]acetamide

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

Chymase

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

7h61__assembly_1__model_1

7h61__assembly_1__model_1 | I(q)

7h61__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

7. Citations (1)

THE 1.76 A CRYSTAL STRUCTURE OF HUMAN CHYMASE IN COMPLEX WITH N-[2-[6-ethyl-2-[(2-hydroxy-5-oxo-3-phenylcyclopenten-1-yl)-phenylmethyl]-1H-indol-3-yl]ethyl]acetamide

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

Chymase

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

7h61__assembly_1__model_1

7h61__assembly_1__model_1 | I(q)

7h61__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

7. Citations (1)