SAXSdb — 8xgy

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

Glutaminyl-peptide cyclotransferase

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 12	ZINC ION × 12 (3~{Z})-3-(1~{H}-benzimidazol-5-ylmethylidene)-4-[(3~{R})-1-ethanoylpyrrolidin-3-yl]oxy-1~{H}-indol-2-one × 12 water × 10	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	QPCT_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–329； UniProt 33–361 Author chain B； PDBConstruct 1–329； UniProt 33–361 Author chain C； PDBConstruct 1–329； UniProt 33–361 Author chain D； PDBConstruct 1–329； UniProt 33–361 Author chain E； PDBConstruct 1–329； UniProt 33–361 Author chain F； PDBConstruct 1–329； UniProt 33–361 Author chain G； PDBConstruct 1–329； UniProt 33–361 Author chain H； PDBConstruct 1–329； UniProt 33–361 Author chain I； PDBConstruct 1–329； UniProt 33–361 Author chain J； PDBConstruct 1–329； UniProt 33–361 Author chain K； PDBConstruct 1–329； UniProt 33–361 Author chain L； PDBConstruct 1–329； UniProt 33–361

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	8xgy
Deposition date deposition_date	2023-12-16
Structure title title	Crystal structure of human Golgi resident glutaminyl cyclase in complex with (R,Z)-3-((1H-benzo[d]imidazol-5-yl)methylene)-4-((1-acetylpyrrolidin-3-yl)oxy)indolin-2-one
Keywords keywords	inhibitor, complex, TRANSFERASE; TRANSFERASE
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.

8xgy__assembly_1__model_1

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

Download this curve (.dat)

8xgy__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8xgy__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	56.66 Å
Rg (electron density)	56.98 Å
Total Rg	57.07 Å
Atom count	31680
Residues	3876
Excluded volume	561410 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8xgy__assembly_1__model_1`	dodecameric （12）	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 (4)

Entity 1 Entity 1 polymer

Description description	Glutaminyl-peptide cyclotransferase
Molecular weight formula_weight	37557.4 kDa
EC 编号 ec_number	2.3.2.5
Source method src_method	man
Copy count entity_count	12

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,A,C,D,E,F,G,H,I,J,K,L
Atom count atom_count	31701

ASAWPEEKNYHQPAILNSSALRQIAEGTSISEMWQNDLQPLLIERYPGSPGSYAARQHIMQRIQRLQADWVLEIDTFLSQTPYGYRSFSNIISTLNPTAKRHLVLACHYDSKYFSHWNNRVFVGATDSAVPCAMMLELARALDKKLLSLKTVSDSKPDLSLQLIFFDGEEAFLHWSPQDSLYGSRHLAAKMASTPHPPGARGTSQLHGMDLLVLLDLIGAPNPTFPNFFPNSARWFERLQAIEHELHELGLLKDHSLEGRYFQNYSYGGVIQDDHIPFLRRGVPVLHLIPSPFPEVWHTMDDNEENLDESTIDNLNKILQVFVLEYLHL

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	12

Entity 3 Entity 3 non-polymer

Description description	(3~{Z})-3-(1~{H}-benzimidazol-5-ylmethylidene)-4-[(3~{R})-1-ethanoylpyrrolidin-3-yl]oxy-1~{H}-indol-2-one
Molecular weight formula_weight	388.4 kDa
Source method src_method	syn
Copy count entity_count	12

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	21

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Unit-cell length a length_a	83.722 Å
Unit-cell length b length_b	217.245 Å
Unit-cell length c length_c	242.303 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	48

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.810 Å
Low-resolution limit resolution_low	78.122 Å
R factor r_factor	0.1891
R_work r_work	0.1878
R_free r_free	0.2577

Crystal structure of human Golgi resident glutaminyl cyclase in complex with (R,Z)-3-((1H-benzo[d]imidazol-5-yl)methylene)-4-((1-acetylpyrrolidin-3-yl)oxy)indolin-2-one

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

Glutaminyl-peptide cyclotransferase

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

8xgy__assembly_1__model_1

8xgy__assembly_1__model_1 | I(q)

8xgy__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)

Crystal structure of human Golgi resident glutaminyl cyclase in complex with (R,Z)-3-((1H-benzo[d]imidazol-5-yl)methylene)-4-((1-acetylpyrrolidin-3-yl)oxy)indolin-2-one

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

Glutaminyl-peptide cyclotransferase

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

8xgy__assembly_1__model_1

8xgy__assembly_1__model_1 | I(q)

8xgy__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)