SAXSdb — 4are

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

COLLAGENASE G

CLOSTRIDIUM HISTOLYTICUM

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 HEXAETHYLENE GLYCOL × 1 CITRATE ANION × 1 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9X721_CLOHI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 24–695； UniProt 119–790

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	4are
Deposition date deposition_date	2012-04-23
Structure title title	Crystal structure of the collagenase Unit of collagenase G from Clostridium histolyticum at 2.19 angstrom resolution.
Keywords keywords	HYDROLASE, COLLAGEN, PEPTIDASE, COLLAGENOLYSIS, METALLOPROTEASE; 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.

4are__assembly_1__model_1

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

Download this curve (.dat)

4are__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4are__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	34.40 Å
Rg (electron density)	33.98 Å
Total Rg	34.48 Å
Atom count	5400
Residues	678
Excluded volume	95400 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4are__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 (6)

Entity 1 Entity 1 polymer

Description description	COLLAGENASE G
Molecular weight formula_weight	79477.5 kDa
EC 编号 ec_number	3.4.24.3
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	5672

MGSSHHHHHHSSGENLYFQGGTMYDFEYLNGLSYTELTNLIKNIKWNQINGLFNYSTGSQKFFGDKNRVQAIINALQESGRTYTANDMKGIETFTEVLRAGFYLGYYNDGLSYLNDRNFQDKCIPAMIAIQKNPNFKLGTAVQDEVITSLGKLIGNASANAEVVNNCVPVLKQFRENLNQYAPDYVKGTAVNELIKGIEFDFSGAAYEKDVKTMPWYGKIDPFINELKALGLYGNITSATEWASDVGIYYLSKFGLYSTNRNDIVQSLEKAVDMYKYGKIAFVAMERITWDYDGIGSNGKKVDHDKFLDDAEKHYLPKTYTFDNGTFIIRAGDKVSEEKIKRLYWASREVKSQFHRVVGNDKALEVGNADDVLTMKIFNSPEEYKFNTNINGVSTDNGGLYIEPRGTFYTYERTPQQSIFSLEELFRHEYTHYLQARYLVDGLWGQGPFYEKNRLTWFDEGTAEFFAGSTRTSGVLPRKLILGYLAKDKVDHRYSLKKTLNSGYDDSDWMFYNYGFAVAHYLYEKDMPTFIKMNKAILNTDVKSYDEIIKKLSDDANKNTEYQNHIQELVDKYQGAGIPLVSDDYLKDHGYKKASEVYSEISKAASLTNTSVTAEKSQYFNTFTLRGTYTGETSKGEFKDWDEMSKKLDGTLESLAKNSWSGYKTLTAYFTNYRVTSDNKVQYDVVFHGVLTDNG

Source Source

Source organism organism	CLOSTRIDIUM HISTOLYTICUM
NCBI taxonomy ID ncbi_taxonomy_id	1498
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	HEXAETHYLENE GLYCOL
Molecular weight formula_weight	282.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	CITRATE ANION
Molecular weight formula_weight	189.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
Molecular weight formula_weight	122.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	269

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id	4areA02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	980 — Threonyl-tRNA Synthetase; Chain A, domain 2
Homologous superfamily homologous superfamily	50 —

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Unit-cell length a length_a	55.290 Å
Unit-cell length b length_b	108.660 Å
Unit-cell length c length_c	181.000 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 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.190 Å
Low-resolution limit resolution_low	69.500 Å
R factor r_factor	0.1957
R_work r_work	0.1932
R_free r_free	0.2430

Crystal structure of the collagenase Unit of collagenase G from Clostridium histolyticum at 2.19 angstrom resolution.

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

COLLAGENASE G

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

4are__assembly_1__model_1

4are__assembly_1__model_1 | I(q)

4are__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 (6)

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 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

7. Citations (2)

Crystal structure of the collagenase Unit of collagenase G from Clostridium histolyticum at 2.19 angstrom resolution.

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

COLLAGENASE G

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

4are__assembly_1__model_1

4are__assembly_1__model_1 | I(q)

4are__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 (6)

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 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

7. Citations (2)