SAXSdb — 1oyv

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

Subtilisin Carlsberg

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	Wound-induced proteinase inhibitor-II × 1 （P05119） CALCIUM ION × 2 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SUBT_BACLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–274； UniProt 106–379 Author chain B； PDBConstruct 1–274； UniProt 106–379

Wound-induced proteinase inhibitor-II

OrganismNot specified

UniProt P05119

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	Subtilisin Carlsberg × 2 （P00780） CALCIUM ION × 2 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IP21_LYCES
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain I； PDBConstruct 1–123； UniProt 26–148

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	1oyv
Deposition date deposition_date	2003-04-07
Structure title title	Crystal structure of tomato inhibitor-II in a ternary complex with subtilisin Carlsberg
Keywords keywords	serine proteinase inhibitor, ternary complex, multidomain inhibitor, potato II family, 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.

1oyv__assembly_1__model_1

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

Download this curve (.dat)

1oyv__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1oyv__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	30.24 Å
Rg (electron density)	30.13 Å
Total Rg	30.60 Å
Atom count	4623
Residues	652
Excluded volume	81366 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1oyv__assembly_1__model_1`	trimeric （3）	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	Subtilisin Carlsberg
Molecular weight formula_weight	27306.2 kDa
EC 编号 ec_number	3.4.21.62
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	4751

AQTVPYGIPLIKADKVQAQGFKGANVKVAVLDTGIQASHPDLNVVGGASFVAGEAYNTDGNGHGTHVAGTVAALDNTTGVLGVAPSVSLYAVKVLNSSGSGSYSGIVSGIEWATTNGMDVINMSLGGASGSTAMKQAVDNAYARGVVVVAAAGNSGNSGSTNTIGYPAKYDSVIAVGAVDSNSNRASFSSVGAELEVMAPGAGVYSTYPTNTYATLNGTSMASPHVAGAAALILSKHPNLSASQVRNRLSSTATYLGSSFYYGKGLINVEAAAQ

Entity 2 Entity 2 polymer

Description description	Wound-induced proteinase inhibitor-II
Molecular weight formula_weight	13468.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

KACTRECGNLGFGICPRSEGSPLNPICINCCSGYKGCNYYNSFGKFICEGESDPKRPNACTFNCDPNIAYSRCPRSQGKSLIYPTGCTTCCTGYKGCYYFGKDGKFVCEGESDEPKANMYPVM

Entity 3 Entity 3 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	128

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1oyva_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.41 — Subtilisin-like
Superfamily Superfamily superfamily	c.41.1 — Subtilisin-like
Family Family family	c.41.1.1 — Subtilases

Domain ID domain_id	d1oyvb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.41 — Subtilisin-like
Superfamily Superfamily superfamily	c.41.1 — Subtilisin-like
Family Family family	c.41.1.1 — Subtilases

Domain ID domain_id	d1oyvi1
Class class	g — Small proteins
Fold Fold fold	g.69 — Plant proteinase inhibitors
Superfamily Superfamily superfamily	g.69.1 — Plant proteinase inhibitors
Family Family family	g.69.1.1 — Plant proteinase inhibitors

Domain ID domain_id	d1oyvi2
Class class	g — Small proteins
Fold Fold fold	g.69 — Plant proteinase inhibitors
Superfamily Superfamily superfamily	g.69.1 — Plant proteinase inhibitors
Family Family family	g.69.1.1 — Plant proteinase inhibitors

CATH v4.4 (4 domains)

Domain ID domain_id	1oyvA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	200 — Peptidase S8/S53 domain

Domain ID domain_id	1oyvB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	200 — Peptidase S8/S53 domain

Domain ID domain_id	1oyvI01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
Homologous superfamily homologous superfamily	30 —

Domain ID domain_id	1oyvI02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
Homologous superfamily homologous superfamily	30 —

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Unit-cell length a length_a	154.971 Å
Unit-cell length b length_b	55.099 Å
Unit-cell length c length_c	91.338 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	119.54 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

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

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	40.000 Å
R factor r_factor	0.2200
R_work r_work	0.2140
R_free r_free	0.2700

Crystal structure of tomato inhibitor-II in a ternary complex with subtilisin Carlsberg

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

Subtilisin Carlsberg

State in the Current Structure

Other States of the Same Protein in the Database

Wound-induced proteinase inhibitor-II

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

1oyv__assembly_1__model_1

1oyv__assembly_1__model_1 | I(q)

1oyv__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Crystal structure of tomato inhibitor-II in a ternary complex with subtilisin Carlsberg

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

Subtilisin Carlsberg

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Wound-induced proteinase inhibitor-II

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

1oyv__assembly_1__model_1

1oyv__assembly_1__model_1 | I(q)

1oyv__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)