SAXSdb — 1jv0

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

CARBONIC ANHYDRASE I

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 × 3 CHLORIDE ION × 1 1,2-ETHANEDIOL × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	ZINC ION × 3 CHLORIDE ION × 2 1,2-ETHANEDIOL × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CAH1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–260； UniProt 1–260 Author chain B； PDBConstruct 1–260； UniProt 1–260

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	1jv0
Deposition date deposition_date	2001-08-28
Structure title title	THE CRYSTAL STRUCTURE OF THE ZINC(II) ADDUCT OF THE CAI MICHIGAN 1 VARIANT
Keywords keywords	10-STRANDED-BETA-SHEET, LYASE; LYASE
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.

1jv0__assembly_1__model_1

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

Download this curve (.dat)

1jv0__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1jv0__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	18.44 Å
Rg (electron density)	17.24 Å
Total Rg	18.23 Å
Atom count	2010
Residues	257
Excluded volume	35313 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1jv0__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1jv0__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 (5)

Entity 1 Entity 1 polymer

Description description	CARBONIC ANHYDRASE I
Molecular weight formula_weight	28794.0 kDa
EC 编号 ec_number	4.2.1.1
Mutation mutation	H67R
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	4452

ASPDWGYDDKNGPEQWSKLYPIANGNNQSPVDIKTSETKHDTSLKPISVSYNPATAKEIINVGHSFRVNFEDNDNRSVLKGGPFSDSYRLFQFHFHWGSTNEHGSEHTVDGVKYSAELHVAHWNSAKYSSLAEAASKADGLAVIGVLMKVGEANPKLQKVLDALQAIKTKGKRAPFTNFDPSTLLPSSLDFWTYPGSLTHPPLYESVTWIICKESISVSSEQLAQFRSLLSNVEGDNAVPMQHNNRPTQPLKGRTVRASF

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	6

Entity 3 Entity 3 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 4 Entity 4 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	440

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1jv0a_
Class class	b — All beta proteins
Fold Fold fold	b.74 — Carbonic anhydrase
Superfamily Superfamily superfamily	b.74.1 — Carbonic anhydrase
Family Family family	b.74.1.1 — Carbonic anhydrase

Domain ID domain_id	d1jv0b_
Class class	b — All beta proteins
Fold Fold fold	b.74 — Carbonic anhydrase
Superfamily Superfamily superfamily	b.74.1 — Carbonic anhydrase
Family Family family	b.74.1.1 — Carbonic anhydrase

CATH v4.4 (2 domains)

Domain ID domain_id	1jv0A00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	200 — Carbonic Anhydrase II
Homologous superfamily homologous superfamily	10 — Alpha carbonic anhydrase

Domain ID domain_id	1jv0B00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	200 — Carbonic Anhydrase II
Homologous superfamily homologous superfamily	10 — Alpha carbonic anhydrase

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Unit-cell length a length_a	62.681 Å
Unit-cell length b length_b	71.356 Å
Unit-cell length c length_c	120.909 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	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	15.000 Å
R factor r_factor	—
R_work r_work	0.1970
R_free r_free	0.2770

THE CRYSTAL STRUCTURE OF THE ZINC(II) ADDUCT OF THE CAI MICHIGAN 1 VARIANT

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

CARBONIC ANHYDRASE I

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

1jv0__assembly_1__model_1

1jv0__assembly_1__model_1 | I(q)

1jv0__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

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (4)

THE CRYSTAL STRUCTURE OF THE ZINC(II) ADDUCT OF THE CAI MICHIGAN 1 VARIANT

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

CARBONIC ANHYDRASE I

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

1jv0__assembly_1__model_1

1jv0__assembly_1__model_1 | I(q)

1jv0__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

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (4)