SAXSdb — 7xn9

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

Somatostatin receptor type 2,Endo-1,4-beta-xylanase

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Monomer	Protein 1	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 ;tert-butyl (2S)-6-azanyl-2-[[(2R,3S)-3-(1H-indol-3-yl)-2-[[4-(2-oxidanylidene-3H-benzimidazol-1-yl)piperidin-1-yl]carbonylamino]butanoyl]amino]hexanoate ; × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	XYNA_NIACI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 265–449； UniProt 29–213

Somatostatin receptor type 2,Endo-1,4-beta-xylanase

Homo sapiens

UniProt P30874

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Monomer	Protein 1	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 ;tert-butyl (2S)-6-azanyl-2-[[(2R,3S)-3-(1H-indol-3-yl)-2-[[4-(2-oxidanylidene-3H-benzimidazol-1-yl)piperidin-1-yl]carbonylamino]butanoyl]amino]hexanoate ; × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SSR2_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 27–264； UniProt 2–239 Author chain A； PDBConstruct 450–566； UniProt 243–359

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	7xn9
Deposition date deposition_date	2022-04-28
Structure title title	Crystal structure of SSTR2 and L-054,522 complex
Keywords keywords	G protein-coupled receptor, somatostatin receptor 2, STRUCTURAL PROTEIN, SIGNALING PROTEIN, SIGNARING PROTEIN-INHIBITOR complex; SIGNARING PROTEIN/INHIBITOR
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.

7xn9__assembly_1__model_1

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

Download this curve (.dat)

7xn9__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7xn9__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	31.65 Å
Rg (electron density)	31.21 Å
Total Rg	31.47 Å
Atom count	3834
Residues	476
Excluded volume	68327 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7xn9__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 (3)

Entity 1 Entity 1 polymer

Description description	Somatostatin receptor type 2,Endo-1,4-beta-xylanase
Molecular weight formula_weight	66058.1 kDa
EC 编号 ec_number	3.2.1.8
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	3834

MKTIIALSYIFCLVFADYKDDDDGAPDMADEPLNGSHTWLSIPFDLNGSVVSTNTSNQTEPYYDLTSNAVLTFIYFVVCIIGLCGNTLVIYVILRYAKMKTITNIYILNLAIADELFMLGLPFLAMQVALEHWPFGKAICRVVMTVDGINQFTSIFCLTVMSIDRYLAVVHPIKSAKWRRPRTAKMITMAVWGVSLLVILPIMIYAGLRSNQWGRSSCTINWPGESGAWYTGFIIYTFILGFLVPLTIICLCYLFIIIKVKSSGASTDYWQNWTFGGGIVNAVNGSGGNYSVNWSNTGNFVVGKGWTTGSPFRTINYNAGVWAPNGNGYLTLYGWTRSPLIEYYVVDSWGTYRPTGTYKGTVKSDGGTYDIYTTTRYNAPSIDGDDTTFTQYWSVRQSKRPTGSNATITFTNHVNAWKSHGMNLGSNWAYQVMATEGYQSSGSSNVTVWGSSKRKKSEKKVTRMVSIVVAVFIFCWLPFYIFNVSSVSMAISPTPALKGMFDFVVVLTYANSCANPILYAFLDDNFKKSFQNVLCLVKVSGTDDGERSDSKQDKSRLNETTETQRTEFLEVLFQGPHHHHHHHHHHEPE

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Insecta environmental sample

Entity 2 Entity 2 non-polymer

Description description	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
Molecular weight formula_weight	238.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	;tert-butyl (2S)-6-azanyl-2-[[(2R,3S)-3-(1H-indol-3-yl)-2-[[4-(2-oxidanylidene-3H-benzimidazol-1-yl)piperidin-1-yl]carbonylamino]butanoyl]amino]hexanoate ;
Molecular weight formula_weight	645.8 kDa
Source method src_method	syn
Copy count entity_count	1

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Unit-cell length a length_a	74.520 Å
Unit-cell length b length_b	97.957 Å
Unit-cell length c length_c	170.499 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	8

Space group space_group	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	orthorhombic

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	37.260 Å
R factor r_factor	0.2153
R_work r_work	0.2126
R_free r_free	0.2647

Crystal structure of SSTR2 and L-054,522 complex

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

Somatostatin receptor type 2,Endo-1,4-beta-xylanase

State in the Current Structure

Other States of the Same Protein in the Database

Somatostatin receptor type 2,Endo-1,4-beta-xylanase

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

7xn9__assembly_1__model_1

7xn9__assembly_1__model_1 | I(q)

7xn9__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 non-polymer

7. Citations (1)

Crystal structure of SSTR2 and L-054,522 complex

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

Somatostatin receptor type 2,Endo-1,4-beta-xylanase

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Somatostatin receptor type 2,Endo-1,4-beta-xylanase

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

7xn9__assembly_1__model_1

7xn9__assembly_1__model_1 | I(q)

7xn9__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 non-polymer

7. Citations (1)