SAXSdb — 5ewl

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

NMDA glutamate receptor subunit

Xenopus laevis

UniProt Q91977

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 2 其他Polymer 1	Glutamate receptor ionotropic, NMDA 2B × 1 （Q13224） ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 SODIUM ION × 5 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ~{N}-[(1~{S},3~{S})-3-[3-[(4-methylphenyl)methyl]-1,2,4-oxadiazol-5-yl]cyclopentyl]-1~{H}-pyrazolo[3,4-d]pyrimidin-4-amine × 1 water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	Glutamate receptor ionotropic, NMDA 2B × 1 （Q13224） SODIUM ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ~{N}-[(1~{S},3~{S})-3-[3-[(4-methylphenyl)methyl]-1,2,4-oxadiazol-5-yl]cyclopentyl]-1~{H}-pyrazolo[3,4-d]pyrimidin-4-amine × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q91977_XENLA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–386； UniProt 23–408 Author chain C； PDBConstruct 1–386； UniProt 23–408

Glutamate receptor ionotropic, NMDA 2B

Homo sapiens

UniProt Q13224

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 2 其他Polymer 1	NMDA glutamate receptor subunit × 1 （Q91977） ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 SODIUM ION × 5 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ~{N}-[(1~{S},3~{S})-3-[3-[(4-methylphenyl)methyl]-1,2,4-oxadiazol-5-yl]cyclopentyl]-1~{H}-pyrazolo[3,4-d]pyrimidin-4-amine × 1 water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	NMDA glutamate receptor subunit × 1 （Q91977） SODIUM ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ~{N}-[(1~{S},3~{S})-3-[3-[(4-methylphenyl)methyl]-1,2,4-oxadiazol-5-yl]cyclopentyl]-1~{H}-pyrazolo[3,4-d]pyrimidin-4-amine × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NMDE2_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–364； UniProt 31–394 Author chain D； PDBConstruct 1–364； UniProt 31–394

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	5ewl
Deposition date deposition_date	2015-11-20
Structure title title	CRYSTAL STRUCTURE OF AMINO TERMINAL DOMAINS OF THE NMDA RECEPTOR SUBUNIT GLUN1 AND GLUN2B IN COMPLEX WITH MK-22
Keywords keywords	NMDA Receptor, allosteric inhibition, GluN2B subunit, TRANSPORT PROTEIN; TRANSPORT PROTEIN
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.

5ewl__assembly_1__model_1

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

Download this curve (.dat)

5ewl__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5ewl__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	28.65 Å
Rg (electron density)	27.74 Å
Total Rg	28.57 Å
Atom count	5627
Residues	709
Excluded volume	100780 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5ewl__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`5ewl__assembly_2__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 (7)

Entity 1 Entity 1 polymer

Description description	NMDA glutamate receptor subunit
Molecular weight formula_weight	43758.0 kDa
Mutation mutation	N61Q,N371Q
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,C
Atom count atom_count	11493

DPKIVNIGAVLSTKKHEQIFREAVNQANKRHFTRKIQLQATSVTHRPNAIQMALSVCEDLISSQVYAILVSHPPAPTDHLTPTPISYTAGFYRIPVIGLTTRMSIYSDKSIHLSFLRTVPPYSHQALVWFEMMRLFNWNHVILIVSDDHEGRAAQKKLETLLEGKESKSKKRNYENLDQLSYDNKRGPKADKVLQFEPGTKNLTALLLEAKELEARVIILSASEDDATAVYKSAAMLDMTGAGYVWLVGEREISGSALRYAPDGIIGLQLINGKNESAHISDAVAVVAQAIHELFEMENITDPPRGCVGNTNIWKTGPLFKRVLMSSKYPDGVTGRIEFNEDGDRKFAQYSIMNLQNRKLVQVGIFNGSYIIQNDRKIIWPGGETELVPR

Source Source

Source organism organism	Xenopus laevis
Common name common_name	African clawed frog
NCBI taxonomy ID ncbi_taxonomy_id	8355
Host organism host_organism	Spodoptera frugiperda

Entity 2 Entity 2 polymer

Description description	Glutamate receptor ionotropic, NMDA 2B
Molecular weight formula_weight	41351.9 kDa
Mutation mutation	N348D
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

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

SPPSIGIAVILVGTSDEVAIKDAHEKDDFHHLSVVPRVELVAMNETDPKSIITRICDLMSDRKIQGVVFADDTDQEAIAQILDFISAQTLTPILGIHGGSSMIMADKDESSMFFQFGPSIEQQASVMLNIMEEYDWYIFSIVTTYFPGYQDFVNKIRSTIENSFVGWELEEVLLLDMSLDDGDSKIQNQLKKLQSPIILLYCTKEEATYIFEVANSVGLTGYGYTWIVPSLVAGDTDTVPAEFPTGLISVSYDEWDYGLPARVRDGIAIITTAASDMLSEHSFIPEPKSSCYNTHEKRIYQSNMLNRYLINVTFEGRDLSFSEDGYQMHPKLVIILLNKERKWERVGKWKDKSLQMKYYVWPRM

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Spodoptera frugiperda

Entity 3 Entity 3 branched

Description description	;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	910.8 kDa
Source method src_method	man
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 5 Entity 5 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	6

Entity 6 Entity 6 non-polymer

Description description	~{N}-[(1~{S},3~{S})-3-[3-[(4-methylphenyl)methyl]-1,2,4-oxadiazol-5-yl]cyclopentyl]-1~{H}-pyrazolo[3,4-d]pyrimidin-4-amine
Molecular weight formula_weight	375.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	269

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6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id	5ewlA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	5ewlA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	5ewlB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	5ewlB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	5ewlC01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	5ewlC02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	5ewlD01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	5ewlD02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

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Unit-cell length a length_a	268.880 Å
Unit-cell length b length_b	59.940 Å
Unit-cell length c length_c	144.450 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	116.51 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.980 Å
Low-resolution limit resolution_low	30.040 Å
R factor r_factor	0.1644
R_work r_work	0.1618
R_free r_free	0.2166

CRYSTAL STRUCTURE OF AMINO TERMINAL DOMAINS OF THE NMDA RECEPTOR SUBUNIT GLUN1 AND GLUN2B IN COMPLEX WITH MK-22

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

NMDA glutamate receptor subunit

State in the Current Structure

Other States of the Same Protein in the Database

Glutamate receptor ionotropic, NMDA 2B

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

5ewl__assembly_1__model_1

5ewl__assembly_1__model_1 | I(q)

5ewl__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 (7)

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 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

7. Citations (1)

CRYSTAL STRUCTURE OF AMINO TERMINAL DOMAINS OF THE NMDA RECEPTOR SUBUNIT GLUN1 AND GLUN2B IN COMPLEX WITH MK-22

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

NMDA glutamate receptor subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Glutamate receptor ionotropic, NMDA 2B

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

5ewl__assembly_1__model_1

5ewl__assembly_1__model_1 | I(q)

5ewl__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 (7)

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 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

7. Citations (1)