SAXSdb — 3rwc

▼

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

Major histocompatibility complex class I

Macaca mulatta

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	Beta-2-microglobulin × 1 （Q6V7J5） Nef IW9 peptide from Protein Nef × 1 （Q5QGG3） water × 3	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 3	Beta-2-microglobulin × 1 （Q6V7J5） Nef IW9 peptide from Protein Nef × 1 （Q5QGG3） water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9GJ77_MACMU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–276； UniProt 24–299 Author chain D； PDBConstruct 1–276； UniProt 24–299

Beta-2-microglobulin

Macaca mulatta

UniProt Q6V7J5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	Major histocompatibility complex class I × 1 （Q9GJ77） Nef IW9 peptide from Protein Nef × 1 （Q5QGG3） water × 3	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 3	Major histocompatibility complex class I × 1 （Q9GJ77） Nef IW9 peptide from Protein Nef × 1 （Q5QGG3） water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	B2MG_MACMU
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–99； UniProt 21–119 Author chain E； PDBConstruct 1–99； UniProt 21–119

Nef IW9 peptide from Protein Nef

OrganismNot specified

UniProt Q5QGG3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	Major histocompatibility complex class I × 1 （Q9GJ77） Beta-2-microglobulin × 1 （Q6V7J5） water × 3	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 3	Major histocompatibility complex class I × 1 （Q9GJ77） Beta-2-microglobulin × 1 （Q6V7J5） water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q5QGG3_SIVCZ
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–9； UniProt 165–173 Author chain F； PDBConstruct 1–9； UniProt 165–173

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	3rwc
Deposition date deposition_date	2011-05-09
Structure title title	Crystal structure of rhesus macaque MHC class I molecule Mamu-B*17-IW9
Keywords keywords	antigenic peptides, T lymphocytes, immune response, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method method	X-RAY DIFFRACTION

▼

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.

3rwc__assembly_1__model_1

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

Download this curve (.dat)

3rwc__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3rwc__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.16 Å
Rg (electron density)	22.96 Å
Total Rg	23.83 Å
Atom count	3167
Residues	384
Excluded volume	55093 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3rwc__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3rwc__assembly_2__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Major histocompatibility complex class I
Molecular weight formula_weight	32025.1 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,D
Atom count atom_count	6776

GSHSMKYFYTSVSRPGRGEPRFISVGYVDDTQFVRFDSDAESPREEPRAPWVEQEGPEYWEEATRRAKEAAQTHRENLRTALRYYNQSEAGSHTIQKMYGCDLGPDGRLLRGYHQSAYDGKDYIALNGDLRSWTAADMAAQNTQRKWEGNRYAERFRAYLEGECLEWLRRYLENGKETLQRADPPKTHVTHHPVSDHEATLRCWALGFYPAEITLTWQRDGEEQTQDTEFVETRPGGDGTFQKWGAVVVPSGEEQRYTCHVQHEGLPEPLTLRWEP

Source Source

Source organism organism	Macaca mulatta
Common name common_name	rhesus macaque
NCBI taxonomy ID ncbi_taxonomy_id	9544
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Beta-2-microglobulin
Molecular weight formula_weight	11660.1 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

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

IQRTPKIQVYSRHPPENGKPNFLNCYVSGFHPSDIEVDLLKNGEKMGKVEHSDLSFSKDWSFYLLYYTEFTPNEKDEYACRVNHVTLSGPRTVKWDRDM

Source Source

Source organism organism	Macaca mulatta
Common name common_name	rhesus macaque
NCBI taxonomy ID ncbi_taxonomy_id	9544
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 polymer

Description description	Nef IW9 peptide from Protein Nef
Molecular weight formula_weight	1169.4 kDa
Source method src_method	syn
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,F

IRYPKTFGW

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	423

▼

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id	3rwcA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	500 — Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — MHC class I-like antigen recognition-like

Domain ID domain_id	3rwcA02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	3rwcB00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	3rwcD01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	500 — Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — MHC class I-like antigen recognition-like

Domain ID domain_id	3rwcD02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	3rwcE00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

▶

Unit-cell length a length_a	45.233 Å
Unit-cell length b length_b	68.558 Å
Unit-cell length c length_c	81.754 Å
Unit-cell angle α angle_alpha	83.79 °
Unit-cell angle β angle_beta	89.13 °
Unit-cell angle γ angle_gamma	89.98 °
Molecules per unit cell Z z_pdb	2

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	2.502 Å
Low-resolution limit resolution_low	27.012 Å
R factor r_factor	0.1993
R_work r_work	0.1965
R_free r_free	0.2494

Crystal structure of rhesus macaque MHC class I molecule Mamu-B*17-IW9

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

Major histocompatibility complex class I

State in the Current Structure

Other States of the Same Protein in the Database

Beta-2-microglobulin

State in the Current Structure

Other States of the Same Protein in the Database

Nef IW9 peptide from Protein Nef

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

3rwc__assembly_1__model_1

3rwc__assembly_1__model_1 | I(q)

3rwc__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)

Crystal structure of rhesus macaque MHC class I molecule Mamu-B*17-IW9

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

Major histocompatibility complex class I

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Beta-2-microglobulin

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Nef IW9 peptide from Protein Nef

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

3rwc__assembly_1__model_1

3rwc__assembly_1__model_1 | I(q)

3rwc__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)