SAXSdb — 4g36

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

Luciferin 4-monooxygenase

Photinus pyralis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	;5'-O-[N-(DEHYDROLUCIFERYL)-SULFAMOYL] ADENOSINE ; × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	;5'-O-[N-(DEHYDROLUCIFERYL)-SULFAMOYL] ADENOSINE ; × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LUCI_PHOPY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 6–555； UniProt 1–550 Author chain B； PDBConstruct 6–555； UniProt 1–550

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	4g36
Deposition date deposition_date	2012-07-13
Structure title title	Photinus pyralis luciferase in the adenylate-forming conformation bound to DLSA
Keywords keywords	ANL Superfamily, ligase, adenylating enzymes, luciferase, domain alternation, firefly luciferase; LIGASE
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.

4g36__assembly_1__model_1

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

Download this curve (.dat)

4g36__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4g36__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.26 Å
Rg (electron density)	23.19 Å
Total Rg	24.00 Å
Atom count	3982
Residues	522
Excluded volume	71202 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4g36__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`4g36__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 (3)

Entity 1 Entity 1 polymer

Description description	Luciferin 4-monooxygenase
Molecular weight formula_weight	61230.4 kDa
EC 编号 ec_number	1.13.12.7
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	8222

GPLGSMEDAKNIKKGPAPFYPLEDGTAGEQLHKAMKRYALVPGTIAFTDAHIEVNITYAEYFEMSVRLAEAMKRYGLNTNHRIVVCSENSLQFFMPVLGALFIGVAVAPANDIYNERELLNSMNISQPTVVFVSKKGLQKILNVQKKLPIIQKIIIMDSKTDYQGFQSMYTFVTSHLPPGFNEYDFVPESFDRDKTIALIMNSSGSTGLPKGVALPHRTACVRFSHARDPIFGNQIIPDTAILSVVPFHHGFGMFTTLGYLICGFRVVLMYRFEEELFLRSLQDYKIQSALLVPTLFSFFAKSTLIDKYDLSNLHEIASGGAPLSKEVGEAVAKRFHLPGIRQGYGLTETTSAILITPEGDDKPGAVGKVVPFFEAKVVDLDTGKTLGVNQRGELCVRGPMIMSGYVNNPEATNALIDKDGWLHSGDIAYWDEDEHFFIVDRLKSLIKYKGYQVAPAELESILLQHPNIFDAGVAGLPDDDAGELPAAVVVLEHGKTMTEKEIVDYVASQVTTAKKLRGGVVFVDEVPKGLTGKLDARKIREILIKAKKGGKSKL

Source Source

Source organism organism	Photinus pyralis
Common name common_name	North American firefly
NCBI taxonomy ID ncbi_taxonomy_id	7054
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	;5'-O-[N-(DEHYDROLUCIFERYL)-SULFAMOYL] ADENOSINE ;
Molecular weight formula_weight	606.6 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	72

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d4g36a_
Class class	e — Multi-domain proteins (alpha and beta)
Fold Fold fold	e.23 — Acetyl-CoA synthetase-like
Superfamily Superfamily superfamily	e.23.1 — Acetyl-CoA synthetase-like
Family Family family	e.23.1.1 — Acetyl-CoA synthetase-like

Domain ID domain_id	d4g36b_
Class class	e — Multi-domain proteins (alpha and beta)
Fold Fold fold	e.23 — Acetyl-CoA synthetase-like
Superfamily Superfamily superfamily	e.23.1 — Acetyl-CoA synthetase-like
Family Family family	e.23.1.1 — Acetyl-CoA synthetase-like

CATH v4.4 (6 domains)

Domain ID domain_id	4g36A01
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	38 — Luciferase; domain 3
Homologous superfamily homologous superfamily	10 — Luciferase; Domain 3

Domain ID domain_id	4g36A02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	980 —

Domain ID domain_id	4g36A03
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	980 —

Domain ID domain_id	4g36A04
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily	30 — ANL, C-terminal domain

Domain ID domain_id	4g36B01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	12780 — ANL, N-terminal domain

Domain ID domain_id	4g36B02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily	30 — ANL, C-terminal domain

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Unit-cell length a length_a	93.040 Å
Unit-cell length b length_b	93.040 Å
Unit-cell length c length_c	297.620 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	P 31 2 1
Space-group number int_tables_number	152
Crystal system crystal_system	—

Resolution resolution	2.624 Å
Low-resolution limit resolution_low	54.664 Å
R factor r_factor	0.1893
R_work r_work	0.1868
R_free r_free	0.2377

Photinus pyralis luciferase in the adenylate-forming conformation bound to DLSA

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

Luciferin 4-monooxygenase

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

4g36__assembly_1__model_1

4g36__assembly_1__model_1 | I(q)

4g36__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (2 domains)

CATH v4.4 (6 domains)

7. Citations (1)

Photinus pyralis luciferase in the adenylate-forming conformation bound to DLSA

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

Luciferin 4-monooxygenase

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

4g36__assembly_1__model_1

4g36__assembly_1__model_1 | I(q)

4g36__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (2 domains)

CATH v4.4 (6 domains)

7. Citations (1)