2e7z

Acetylene Hydratase from Pelobacter acetylenicus

Method: X-RAY DIFFRACTION

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

Acetylene hydratase Ahy

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	SODIUM ION × 1 ACETATE ION × 1 IRON/SULFUR CLUSTER × 1 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE × 2 TUNGSTEN ION × 1 (4S)-2-METHYL-2,4-PENTANEDIOL × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q71EW5_9DELT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–727； UniProt 4–730

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	2e7z
Deposition date deposition_date	2007-01-15
Structure title title	Acetylene Hydratase from Pelobacter acetylenicus
Keywords keywords	tungstoprotein, DMSO reductase family, iron-sulfur-cluster, LYASE; LYASE
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.

2e7z__assembly_1__model_1

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

Download this curve (.dat)

2e7z__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2e7z__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	25.05 Å
Rg (electron density)	24.27 Å
Total Rg	25.03 Å
Atom count	5862
Residues	727
Excluded volume	104140 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2e7z__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 (8)

Entity 1 Entity 1 polymer

Description description	Acetylene hydratase Ahy
Molecular weight formula_weight	81650.8 kDa
EC 编号 ec_number	4.2.1.71
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	8716

KKHVVCQSCDINCVVEAEVKADGKIQTKSISEPHPTTPPNSICMKSVNADTIRTHKDRVLYPLKNVGSKRGEQRWERISWDQALDEIAEKLKKIIAKYGPESLGVSQTEINQQSEYGTLRRFMNLLGSPNWTSAMYMCIGNTAGVHRVTHGSYSFASFADSNCLLFIGKNLSNHNWVSQFNDLKAALKRGCKLIVLDPRRTKVAEMADIWLPLRYGTDAALFLGMINVIINEQLYDKEFVENWCVGFEELKERVQEYPLDKVAEITGCDAGEIRKAAVMFATESPASIPWAVSTDMQKNSCSAIRAQCILRAIVGSFVNGAEILGAPHSDLVPISKIQMHEALPEEKKKLQLGTETYPFLTYTGMSALEEPSERVYGVKYFHNMGAFMANPTALFTAMATEKPYPVKAFFALASNALMGYANQQNALKGLMNQDLVVCYDQFMTPTAQLADYVLPGDHWLERPVVQPNWEGIPFGNTSQQVVEPAGEAKDEYYFIRELAVRMGLEEHFPWKDRLELINYRISPTGMEWEEYQKQYTYMSKLPDYFGPEGVGVATPSGKVELYSSVFEKLGYDPLPYYHEPLQTEISDPELAKEYPLILFAGLREDSNFQSCYHQPGILRDAEPDPVALLHPKTAQSLGLPSGEWIWVETTHGRLKLLLKHDGAQPEGTIRIPHGRWCPEQEGGPETGFSGAMLHNDAMVLSDDDWNLDPEQGLPNLRGGILAKAYKC

Entity 2 Entity 2 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	ACETATE ION
Molecular weight formula_weight	59.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	IRON/SULFUR CLUSTER
Molecular weight formula_weight	351.6 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE
Molecular weight formula_weight	740.6 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 6 Entity 6 non-polymer

Description description	TUNGSTEN ION
Molecular weight formula_weight	183.8 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 7 Entity 7 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	2

Entity 8 Entity 8 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	880

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	2e7zA01
Class class	2 — Mainly Beta
Architecture architecture	20 — Single Sheet
Topology topology	25 — N-terminal domain of TfIIb
Homologous superfamily homologous superfamily	90 — ADC-like domains

Domain ID domain_id	2e7zA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	740 —

Domain ID domain_id	2e7zA03
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	228 — Dimethylsulfoxide Reductase; domain 2
Homologous superfamily homologous superfamily	10 — Dimethylsulfoxide Reductase, domain 2

Domain ID domain_id	2e7zA04
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	40 — Barwin-like endoglucanases
Homologous superfamily homologous superfamily	20 —

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Unit-cell length a length_a	120.776 Å
Unit-cell length b length_b	71.971 Å
Unit-cell length c length_c	106.760 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	124.26 °
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	1.260 Å
Low-resolution limit resolution_low	30.630 Å
R factor r_factor	0.1613
R_work r_work	0.1595
R_free r_free	0.1951

Acetylene Hydratase from Pelobacter acetylenicus

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

Acetylene hydratase Ahy

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

2e7z__assembly_1__model_1

2e7z__assembly_1__model_1 | I(q)

2e7z__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 (8)

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 non-polymer

Entity 8 Entity 8 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (2)

Acetylene Hydratase from Pelobacter acetylenicus

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

Acetylene hydratase Ahy

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

2e7z__assembly_1__model_1

2e7z__assembly_1__model_1 | I(q)

2e7z__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 (8)

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 non-polymer

Entity 8 Entity 8 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (2)