7p1n

Crystal structure of human acetylcholinesterase in complex with (2R,3R,4S,5S,6R)-2-{4-[1-(4-{5-hydroxy-6-[(E)-(hydroxyimino)methyl]pyridin-2-yl}butyl)-1H-1,2,3-triazol-4-yl]butoxy}-6-(hydroxymethyl)oxane-3,4,5-triol oxime

Method: X-RAY DIFFRACTION

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

Acetylcholinesterase

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Homooligomer	Protein 4 其他Polymer 3	;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;(2R,3R,4S,5S,6R)-2-[4-[1-[4-[6-[(Z)-hydroxyiminomethyl]-5-oxidanyl-pyridin-2-yl]butyl]-1,2,3-triazol-4-yl]butoxy]-6-(hydroxymethyl)oxane-3,4,5-triol ; × 2 SULFATE ION × 13 CHLORIDE ION × 26 GLYCEROL × 1 MAGNESIUM ION × 5 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ACES_HUMAN
Isoform	—
PDB entities	1, 2
Chains and sequence ranges	Author chain aa； PDBConstruct 1–257； UniProt 33–289 Author chain bb； PDBConstruct 1–257； UniProt 33–289 Author chain A； PDBConstruct 1–282； UniProt 293–574 Author chain B； PDBConstruct 1–282； UniProt 293–574

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	7p1n
Deposition date deposition_date	2021-07-02
Structure title title	Crystal structure of human acetylcholinesterase in complex with (2R,3R,4S,5S,6R)-2-{4-[1-(4-{5-hydroxy-6-[(E)-(hydroxyimino)methyl]pyridin-2-yl}butyl)-1H-1,2,3-triazol-4-yl]butoxy}-6-(hydroxymethyl)oxane-3,4,5-triol oxime
Keywords keywords	cholinesterase, glucoconjugated oximes, 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.

7p1n__assembly_1__model_1

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

Download this curve (.dat)

7p1n__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7p1n__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	37.92 Å
Rg (electron density)	37.94 Å
Total Rg	38.26 Å
Atom count	8620
Residues	1069
Excluded volume	152620 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7p1n__assembly_1__model_1`	tetrameric （4）	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 (11)

Entity 1 Entity 1 polymer

Description description	Acetylcholinesterase
Molecular weight formula_weight	27775.5 kDa
EC 编号 ec_number	3.1.1.7
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	aa,bb
Atom count atom_count	8831

GREDAELLVTVRGGRLRGIRLKTPGGPVSAFLGIPFAEPPMGPRRFLPPEPKQPWSGVVDATTFQSVCYQYVDTLYPGFEGTEMWNPNRELSEDCLYLNVWTPYPRPTSPTPVLVWIYGGGFYSGASSLDVYDGRFLVQAERTVLVSMNYRVGAFGFLALPGSREAPGNVGLLDQRLALQWVQENVAAFGGDPTSVTLFGESAGAASVGMHLLSPPSRGLFHRAVLQSGAPNGPWATVGMGEARRRATQLAHLVGCP

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Cricetulus griseus

Entity 2 Entity 2 polymer

Description description	Acetylcholinesterase
Molecular weight formula_weight	31478.5 kDa
EC 编号 ec_number	3.1.1.7
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B

TGGNDTELVACLRTRPAQVLVNHEWHVLPQESVFRFSFVPVVDGDFLSDTPEALINAGDFHGLQVLVGVVKDEGSYFLVYGAPGFSKDNESLISRAEFLAGVRVGVPQVSDLAAEAVVLHYTDWLHPEDPARLREALSDVVGDHNVVCPVAQLAGRLAAQGARVYAYVFEHRASTLSWPLWMGVPHGYEIEFIFGIPLDPSRNYTAEEKIFAQRLMRYWANFARTGDPNEPRDPKAPQWPPYTAGAQQYVSLDLRPLEVRRGLRAQACAFWNRFLPKLLSAT

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Cricetulus griseus

Entity 3 Entity 3 branched

Description description	;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	732.7 kDa
Source method src_method	man
Copy count entity_count	1

Entity 4 Entity 4 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	570.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 branched

Description description	N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	674.6 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	;(2R,3R,4S,5S,6R)-2-[4-[1-[4-[6-[(Z)-hydroxyiminomethyl]-5-oxidanyl-pyridin-2-yl]butyl]-1,2,3-triazol-4-yl]butoxy]-6-(hydroxymethyl)oxane-3,4,5-triol ;
Molecular weight formula_weight	495.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 7 Entity 7 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	13

Entity 8 Entity 8 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	26

Entity 9 Entity 9 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 10 Entity 10 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	5

Entity 11 Entity 11 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	211

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Unit-cell length a length_a	212.290 Å
Unit-cell length b length_b	212.290 Å
Unit-cell length c length_c	116.085 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 61
Space-group number int_tables_number	169
Crystal system crystal_system	hexagonal

Resolution resolution	2.950 Å
Low-resolution limit resolution_low	78.330 Å
R factor r_factor	—
R_work r_work	0.1719
R_free r_free	0.2047

Crystal structure of human acetylcholinesterase in complex with (2R,3R,4S,5S,6R)-2-{4-[1-(4-{5-hydroxy-6-[(E)-(hydroxyimino)methyl]pyridin-2-yl}butyl)-1H-1,2,3-triazol-4-yl]butoxy}-6-(hydroxymethyl)oxane-3,4,5-triol oxime

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

Acetylcholinesterase

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

7p1n__assembly_1__model_1

7p1n__assembly_1__model_1 | I(q)

7p1n__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 (11)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 branched

Entity 4 Entity 4 branched

Entity 5 Entity 5 branched

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 non-polymer

Entity 10 Entity 10 non-polymer

Entity 11 Entity 11 water

7. Citations (1)

Crystal structure of human acetylcholinesterase in complex with (2R,3R,4S,5S,6R)-2-{4-[1-(4-{5-hydroxy-6-[(E)-(hydroxyimino)methyl]pyridin-2-yl}butyl)-1H-1,2,3-triazol-4-yl]butoxy}-6-(hydroxymethyl)oxane-3,4,5-triol oxime

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

Acetylcholinesterase

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

7p1n__assembly_1__model_1

7p1n__assembly_1__model_1 | I(q)

7p1n__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 (11)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 branched

Entity 4 Entity 4 branched

Entity 5 Entity 5 branched

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 non-polymer

Entity 10 Entity 10 non-polymer

Entity 11 Entity 11 water

7. Citations (1)