SAXSdb — 1zap

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

SECRETED ASPARTIC PROTEINASE

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	ZINC ION × 1 ;N-ethyl-N-[(4-methylpiperazin-1-yl)carbonyl]-D-phenylalanyl-N-[(1S,2S,4R)-4-(butylcarbamoyl)-1-(cyclohexylmethyl)-2-hyd roxy-5-methylhexyl]-L-norleucinamide ; × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CARP2_CANAL
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–342； UniProt 57–398

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	1zap
Deposition date deposition_date	1996-01-16
Structure title title	SECRETED ASPARTIC PROTEASE FROM C. ALBICANS
Keywords keywords	ASPARTIC PROTEASE, SECRETED, CANDIDA ALBICANS; ASPARTIC PROTEASE
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.

1zap__assembly_1__model_1

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

Download this curve (.dat)

1zap__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1zap__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.18 Å
Rg (electron density)	19.82 Å
Total Rg	20.73 Å
Atom count	3160
Residues	341
Excluded volume	45649 Å³
Maximum q	0.500 Å⁻¹

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

Entity 1 Entity 1 polymer

Description description	SECRETED ASPARTIC PROTEINASE
Molecular weight formula_weight	36321.6 kDa
EC 编号 ec_number	3.4.23.24
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	3727

QAVPVTLHNEQVTYAADITVGSNNQKLNVIVDTGSSDLWVPDVNIDCQVTYSDQTADFCKQKGTYDPSGSSASQDLNTPFSIGYGDGSSSQGTLYKDTVGFGGVSIKNQVLADVDSTSIDQGILGVGYKTNEAGGSYDNVPVTLKKQGVIAKNAYSLYLNSPDSATGQIIFGGVDNAKYSGSLIALPVTSDRELRISLGSVEVSGKTINTDNVDVLLDSGTTITYLQQDLADQIIKAFNGKLTQDSNGNSFYEVDCNLSGDVVFNFSKNAKISVPASDFAASTQGDDGQPYDKCQLLFDVNKANILGDNFLRSAYIVYDLDDNEISIAQVKYTSASSTSALT

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-ethyl-N-[(4-methylpiperazin-1-yl)carbonyl]-D-phenylalanyl-N-[(1S,2S,4R)-4-(butylcarbamoyl)-1-(cyclohexylmethyl)-2-hyd roxy-5-methylhexyl]-L-norleucinamide ;
Molecular weight formula_weight	739.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	189

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1zapa_
Class class	b — All beta proteins
Fold Fold fold	b.50 — Acid proteases
Superfamily Superfamily superfamily	b.50.1 — Acid proteases
Family Family family	b.50.1.2 — Pepsin-like

CATH v4.4 (2 domains)

Domain ID domain_id	1zapA01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	70 — Cathepsin D, subunit A; domain 1
Homologous superfamily homologous superfamily	10 — Acid Proteases

Domain ID domain_id	1zapA02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	70 — Cathepsin D, subunit A; domain 1
Homologous superfamily homologous superfamily	10 — Acid Proteases

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Unit-cell length a length_a	63.600 Å
Unit-cell length b length_b	98.260 Å
Unit-cell length c length_c	49.280 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	2.500 Å
Low-resolution limit resolution_low	8.000 Å
R factor r_factor	0.1450
R_work r_work	0.1450
R_free r_free	—

SECRETED ASPARTIC PROTEASE FROM C. ALBICANS

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

SECRETED ASPARTIC PROTEINASE

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

1zap__assembly_1__model_1

1zap__assembly_1__model_1 | I(q)

1zap__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (2)

SECRETED ASPARTIC PROTEASE FROM C. ALBICANS

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

SECRETED ASPARTIC PROTEINASE

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

1zap__assembly_1__model_1

1zap__assembly_1__model_1 | I(q)

1zap__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (2)