9tqd

CD163 bound to haemoglobin

Method: ELECTRON MICROSCOPY Dmax: 169.0 Å Quality: REASONABLE

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

Scavenger receptor cysteine-rich type 1 protein M130

Homo sapiens

UniProt Q86VB7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 7 其他Polymer 5 PDB declaration: heptameric(7) Consistent with protein copy count Chain A; UniProt 1–1156 Chain B; UniProt 1–1156 Chain C; UniProt 1–1156 Not recorded Hemopressin × 2 (P69905) Spinorphin × 2 (P68871) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 CA CALCIUM ION × 16 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 OXY OXYGEN MOLECULE × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.80 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

13 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name C163A_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1156; UniProt 1–1156 Author chain B; PDBConstruct 1–1156; UniProt 1–1156 Author chain C; PDBConstruct 1–1156; UniProt 1–1156

Hemopressin

Homo sapiens

UniProt P69905

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 7 其他Polymer 5 PDB declaration: heptameric(7) Consistent with protein copy count Chain D; UniProt 1–142 Chain F; UniProt 1–142 Not recorded Scavenger receptor cysteine-rich type 1 protein M130 × 3 (Q86VB7) Spinorphin × 2 (P68871) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 CA CALCIUM ION × 16 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 OXY OXYGEN MOLECULE × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.80 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

348 other PDB entries and 412 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HBA_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain D; PDBConstruct 1–142; UniProt 1–142 Author chain F; PDBConstruct 1–142; UniProt 1–142

Spinorphin

Homo sapiens

UniProt P68871

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 7 其他Polymer 5 PDB declaration: heptameric(7) Consistent with protein copy count Chain E; UniProt 1–147 Chain G; UniProt 1–147 Not recorded Scavenger receptor cysteine-rich type 1 protein M130 × 3 (Q86VB7) Hemopressin × 2 (P69905) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 CA CALCIUM ION × 16 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 OXY OXYGEN MOLECULE × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.80 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

343 other PDB entries and 399 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HBB_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain E; PDBConstruct 1–147; UniProt 1–147 Author chain G; PDBConstruct 1–147; UniProt 1–147

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.

SAXS scattering curve SAXS Profile

SAXS profile for 9tqd

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9tqd
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9tqd
Deposition date deposition_date2025-12-20
Structure title titleCD163 bound to haemoglobin
Keywords keywordsCD163, haemoglobin, haptoglobin-haemoglobin receptor, CELL ADHESION; CELL ADHESION
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier54.51
Radius of gyration Rg (electron density) rg_electron53.84
Forward intensity I(0) i01912180000.00
Molecular weight molecular_weight343650.0 kDa
Excluded volume excluded_volume420430 ų
Envelope volume envelope_volume685500 ų
Hydration-shell volume shell_volume105230 ų
Envelope diameter envelope_diameter180.9
Shell Rg shell_rg60.06
Envelope Rg envelope_rg50.61
Shape Rg shape_rg53.80
Total Rg total_rg54.11
Total atoms total_atoms24023
Residues n_residues3110
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax169.0
Rg (real space) rg_real54.80
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real1.8700e+09
I(0) uncertainty (real space) i0_real_error3.0590e+07
Rg (reciprocal space) rg_reciprocal54.77
I(0) (reciprocal space) i0_reciprocal1914000000.0000
Solution quality estimate total_estimate0.7049
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary75.8
Skewness Skewness skewness0.068
Kurtosis Kurtosis kurtosis-0.275
Angular range angular_range— – 0.1450 −1
Current regularization parameter α current_alpha1.6140
Highest regularization parameter α highest_alpha84820000.0000
Real-space data points n_real_points30
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.862; Stabil: 0.930; Sysdev: 0.000; Positv: 1.000; Valcen: 0.956; Smooth: 0.838

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

8. Citations (1)

9. Files and Curves (10)