SAXSdb — 1f07

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

COENZYME F420-DEPENDENT N5,N10-METHYLENETETRAHYDROMETHANOPTERIN REDUCTASE

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	3[N-MORPHOLINO]PROPANE SULFONIC ACID × 4 (4S)-2-METHYL-2,4-PENTANEDIOL × 4 CHLORIDE ION × 2 water × 4	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	3[N-MORPHOLINO]PROPANE SULFONIC ACID × 2 (4S)-2-METHYL-2,4-PENTANEDIOL × 2 CHLORIDE ION × 1 water × 2	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 2	3[N-MORPHOLINO]PROPANE SULFONIC ACID × 2 (4S)-2-METHYL-2,4-PENTANEDIOL × 2 CHLORIDE ION × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MER_METTM
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–321； UniProt 1–321 Author chain B； PDBConstruct 1–321； UniProt 1–321 Author chain C； PDBConstruct 1–321； UniProt 1–321 Author chain D； PDBConstruct 1–321； UniProt 1–321

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	1f07
Deposition date deposition_date	2000-05-15
Structure title title	STRUCTURE OF COENZYME F420 DEPENDENT TETRAHYDROMETHANOPTERIN REDUCTASE FROM METHANOBACTERIUM THERMOAUTOTROPHICUM
Keywords keywords	(beta, alpha)8 barrel, TIM barrel, OXIDOREDUCTASE; 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.

1f07__assembly_1__model_1

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

Download this curve (.dat)

1f07__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1f07__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	36.72 Å
Rg (electron density)	36.08 Å
Total Rg	36.51 Å
Atom count	10902
Residues	1284
Excluded volume	171240 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1f07__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1f07__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`1f07__assembly_3__model_1`	dimeric （2）	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	COENZYME F420-DEPENDENT N5,N10-METHYLENETETRAHYDROMETHANOPTERIN REDUCTASE
Molecular weight formula_weight	33518.3 kDa
Source method src_method	nat
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	11407

MKFGIEFVPNEPIEKIVKLVKLAEDVGFEYAWITDHYNNKNVYETLALIAEGTETIKLGPGVTNPYVRSPAITASAIATLDELSNGRATLGIGPGDKATFDALGIEWVKPVSTIRDAIAMMRTLLAGEKTESGAQLMGVKAVQEKIPIYMGAQGPMMLKTAGEISDGALINASNPKDFEAAVPLIKEGAEAAGKSIADIDVAAYTCCSIDEDAAAAANAAKIVVAFIAAGSPPPVFERHGLPADTGKKFGELLGKGDFGGAIGAVDDALMEAFSVVGTPDEFIPKIEALGEMGVTQYVAGSPIGPDKEKSIKLLGEVIASF

Entity 2 Entity 2 non-polymer

Description description	3[N-MORPHOLINO]PROPANE SULFONIC ACID
Molecular weight formula_weight	209.3 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 non-polymer

Description description	(4S)-2-METHYL-2,4-PENTANEDIOL
Molecular weight formula_weight	118.2 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 4 Entity 4 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 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	505

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1f07a_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.16 — Bacterial luciferase-like
Family Family family	c.1.16.3 — F420 dependent oxidoreductases

Domain ID domain_id	d1f07b_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.16 — Bacterial luciferase-like
Family Family family	c.1.16.3 — F420 dependent oxidoreductases

Domain ID domain_id	d1f07c_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.16 — Bacterial luciferase-like
Family Family family	c.1.16.3 — F420 dependent oxidoreductases

Domain ID domain_id	d1f07d_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.16 — Bacterial luciferase-like
Family Family family	c.1.16.3 — F420 dependent oxidoreductases

CATH v4.4 (4 domains)

Domain ID domain_id	1f07A00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	30 — Luciferase-like domain

Domain ID domain_id	1f07B00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	30 — Luciferase-like domain

Domain ID domain_id	1f07C00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	30 — Luciferase-like domain

Domain ID domain_id	1f07D00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	30 — Luciferase-like domain

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Unit-cell length a length_a	162.800 Å
Unit-cell length b length_b	128.200 Å
Unit-cell length c length_c	109.200 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	131.40 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	16

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	30.000 Å
R factor r_factor	0.2090
R_work r_work	0.2080
R_free r_free	0.2370

STRUCTURE OF COENZYME F420 DEPENDENT TETRAHYDROMETHANOPTERIN REDUCTASE FROM METHANOBACTERIUM THERMOAUTOTROPHICUM

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

COENZYME F420-DEPENDENT N5,N10-METHYLENETETRAHYDROMETHANOPTERIN REDUCTASE

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

1f07__assembly_1__model_1

1f07__assembly_1__model_1 | I(q)

1f07__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

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) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

STRUCTURE OF COENZYME F420 DEPENDENT TETRAHYDROMETHANOPTERIN REDUCTASE FROM METHANOBACTERIUM THERMOAUTOTROPHICUM

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

COENZYME F420-DEPENDENT N5,N10-METHYLENETETRAHYDROMETHANOPTERIN REDUCTASE

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

1f07__assembly_1__model_1

1f07__assembly_1__model_1 | I(q)

1f07__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

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) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)