SAXSdb — 1ik3

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

LIPOXYGENASE-3

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	FE (III) ION × 1 13(S)-HYDROPEROXY-9(Z),11(E)-OCTADECADIENOIC ACID × 1 13(R)-HYDROPEROXY-9(Z),11(E)-OCTADECADIENOIC ACID × 1 (TRANS-12,13-EPOXY)-9-HYDROXY-10(E)-OCTADECENOIC ACID × 1 (TRANS-12,13-EPOXY)-11-HYDROXY-9(Z)-OCTADECENOIC ACID × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LOX3_SOYBN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–857； UniProt 1–857

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	1ik3
Deposition date deposition_date	2001-05-01
Structure title title	LIPOXYGENASE-3 (SOYBEAN) COMPLEX WITH 13(S)-HYDROPEROXY-9(Z),11(E)-OCTADECADIENOIC ACID
Keywords keywords	OXIDOREDUCTASE, PURPLE LIPOXYGENASE, FE(III) COMPLEX, INTERM; OXIDOREDUCTASE
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.

1ik3__assembly_1__model_1

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

Download this curve (.dat)

1ik3__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1ik3__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	29.34 Å
Rg (electron density)	28.45 Å
Total Rg	29.25 Å
Atom count	6719
Residues	836
Excluded volume	119670 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1ik3__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 (7)

Entity 1 Entity 1 polymer

Description description	LIPOXYGENASE-3
Molecular weight formula_weight	96919.0 kDa
EC 编号 ec_number	1.13.11.12
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	7314

MLGGLLHRGHKIKGTVVLMRKNVLDVNSVTSVGGIIGQGLDLVGSTLDTLTAFLGRSVSLQLISATKADANGKGKLGKATFLEGIITSLPTLGAGQSAFKINFEWDDGSGIPGAFYIKNFMQTEFFLVSLTLEDIPNHGSIHFVCNSWIYNAKLFKSDRIFFANQTYLPSETPAPLVKYREEELHNLRGDGTGERKEWERIYDYDVYNDLGDPDKGENHARPVLGGNDTFPYPRRGRTGRKPTRKDPNSESRSNDVYLPRDEAFGHLKSSDFLTYGLKSVSQNVLPLLQSAFDLNFTPREFDSFDEVHGLYSGGIKLPTDIISKISPLPVLKEIFRTDGEQALKFPPPKVIQVSKSAWMTDEEFAREMLAGVNPNLIRCLKDFPPRSKLDSQVYGDHTSQITKEHLEPNLEGLTVDEAIQNKRLFLLDHHDPIMPYLRRINATSTKAYATRTILFLKNDGTLRPLAIELSLPHPQGDQSGAFSQVFLPADEGVESSIWLLAKAYVVVNDSCYHQLVSHWLNTHAVVEPFIIATNRHLSVVHPIYKLLHPHYRDTMNINGLARLSLVNDGGVIEQTFLWGRYSVEMSAVVYKDWVFTDQALPADLIKRGMAIEDPSCPHGIRLVIEDYPYTVDGLEIWDAIKTWVHEYVFLYYKSDDTLREDPELQACWKELVEVGHGDKKNEPWWPKMQTREELVEACAIIIWTASALHAAVNFGQYPYGGLILNRPTLSRRFMPEKGSAEYEELRKNPQKAYLKTITPKFQTLIDLSVIEILSRHASDEVYLGERDNPNWTSDTRALEAFKRFGNKLAQIENKLSERNNDEKLRNRCGPVQMPYTLLLPSSKEGLTFRGIPNSISI

Entity 2 Entity 2 non-polymer

Description description	FE (III) ION
Molecular weight formula_weight	55.8 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	13(S)-HYDROPEROXY-9(Z),11(E)-OCTADECADIENOIC ACID
Molecular weight formula_weight	312.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	13(R)-HYDROPEROXY-9(Z),11(E)-OCTADECADIENOIC ACID
Molecular weight formula_weight	312.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	(TRANS-12,13-EPOXY)-9-HYDROXY-10(E)-OCTADECENOIC ACID
Molecular weight formula_weight	312.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	(TRANS-12,13-EPOXY)-11-HYDROXY-9(Z)-OCTADECENOIC ACID
Molecular weight formula_weight	312.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	529

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6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1ik3a1
Class class	a — All alpha proteins
Fold Fold fold	a.119 — Lipoxigenase
Superfamily Superfamily superfamily	a.119.1 — Lipoxigenase
Family Family family	a.119.1.1 — Plant lipoxigenases

Domain ID domain_id	d1ik3a2
Class class	b — All beta proteins
Fold Fold fold	b.12 — Lipase/lipooxygenase domain (PLAT/LH2 domain)
Superfamily Superfamily superfamily	b.12.1 — Lipase/lipooxygenase domain (PLAT/LH2 domain)
Family Family family	b.12.1.1 — Lipoxigenase N-terminal domain

CATH v4.4 (5 domains)

Domain ID domain_id	1ik3A01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	60 — Lipoxygenase-1
Homologous superfamily homologous superfamily	20 — PLAT/LH2 domain

Domain ID domain_id	1ik3A02
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	375 — Lipoxygenase-1; domain 2
Homologous superfamily homologous superfamily	10 — Lipoxygenase-1; Domain 2

Domain ID domain_id	1ik3A03
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	372 — Lipoxygenase-1; domain 3
Homologous superfamily homologous superfamily	10 — Lipoxygenase-1; Domain 3

Domain ID domain_id	1ik3A04
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	450 — Nuclear Transport Factor 2; Chain: A,
Homologous superfamily homologous superfamily	60 —

Domain ID domain_id	1ik3A05
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	245 — Lipoxygenase-1; domain 5
Homologous superfamily homologous superfamily	10 — Lipoxygenase-1; Domain 5

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Unit-cell length a length_a	112.650 Å
Unit-cell length b length_b	137.280 Å
Unit-cell length c length_c	61.890 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	95.56 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	40.000 Å
R factor r_factor	0.1960
R_work r_work	0.1960
R_free r_free	0.2960

LIPOXYGENASE-3 (SOYBEAN) COMPLEX WITH 13(S)-HYDROPEROXY-9(Z),11(E)-OCTADECADIENOIC ACID

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

LIPOXYGENASE-3

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

1ik3__assembly_1__model_1

1ik3__assembly_1__model_1 | I(q)

1ik3__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

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 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (2 domains)

CATH v4.4 (5 domains)

7. Citations (4)

LIPOXYGENASE-3 (SOYBEAN) COMPLEX WITH 13(S)-HYDROPEROXY-9(Z),11(E)-OCTADECADIENOIC ACID

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

LIPOXYGENASE-3

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

1ik3__assembly_1__model_1

1ik3__assembly_1__model_1 | I(q)

1ik3__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

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 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (2 domains)

CATH v4.4 (5 domains)

7. Citations (4)