Current Protein Identity：P12318
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Difference tags compare only the current result set; every original PDB and assembly record remains separate.
Related-Structure Differences
Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.
| PDB Entry | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Experimental Method | Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 1FCG ECTODOMAIN OF HUMAN FC GAMMA RECEPTOR, FCGRIIA Deposited 1999-04-07 | Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
34–207（174 aa）
Fragment：EXTRACELLULAR DOMAINS
|
Mutation：S88F, R134H | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
pH 5.6；HANGING DROP VAPOUR DIFFUSION WITH EQUAL VOLUMES OF FC(GAMMA)RIIA AT 6 MG/ML
AND MOTHER LIQUOR (0.2 M AMMONIUM ACETATE, 30% W/V PEG 4000, 0.1 M SODIUM
CITRATE PH 5.6) MIXED IN 3 MICRO L DROPLETS AND ALLOWED TO EQUILIBRATE AT 22 C
FOR 3-9 DAYS.
|
Resolution 2.00 Å R-free 0.242 |
| 1H9V Human Fc-gamma-Receptor IIa (FcgRIIa), monoclinic Deposited 2001-03-21 | Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain A
37–208（172 aa）
Fragment：IMMUNOGLOBULIN G BINDING DOMAIN RESIDUE 5-177
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
pH 5.5；0.2M NAOAC PH 4.6, 26% PEG 8000
|
Resolution 3.00 Å |
| 3D5O Structural recognition and functional activation of FcrR by innate pentraxins Deposited 2008-05-16 | Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count |
Chain F
37–207（171 aa）
|
Not recorded | SO4 SULFATE ION × 16 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 GOL GLYCEROL × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；2.0 M NH4SO4, 5% iso-propanol, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
|
Resolution 2.80 Å R-free 0.279 |
| 3RY4 1.5 Angstrom resolution structure of glycosylated fcgammariia (low-responder polymorphism) Deposited 2011-05-11 | Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain A
37–206（170 aa）
Fragment：EXTRACELLULAR DOMAIN, residues 37-206
|
Mutation：S88P | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 GOL GLYCEROL × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION；pH 5.6；30% (W/V) PEG 4000, 0.2M AMMONIUM ACETATE, 0.1M SODIUM CITRATE, PH 5.60, VAPOR DIFFUSION, TEMPERATURE 291.0K
|
Resolution 1.50 Å R-free 0.230 |
| 3RY5 Three-dimensional structure of glycosylated fcgammariia (high-responder polymorphism) Deposited 2011-05-11 | Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain A
37–206（170 aa）
Fragment：EXTRACELLULAR DOMAIN, residues 114-327
|
Mutation：H134R | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION；pH 7.5；30% (W/V) PEG 4000, 0.2M AMMONIUM SULFATE, PH 7.50, VAPOR DIFFUSION, TEMPERATURE 291.0K
|
Resolution 2.30 Å R-free 0.275 |
| 3RY6 Complex of fcgammariia (CD32) and the FC of human IGG1 Deposited 2011-05-11 | Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain C
40–206（167 aa）
Fragment：UNP residues 40-206
|
Not recorded | GOL GLYCEROL × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION；pH 7.4；20% (W/V) PEG 3350, 5MM TRIS, 0.15M NACL, 2MM MOPS, 0.2M TRI-POTASSIUM ACETATE, PH 7.40, VAPOR DIFFUSION, TEMPERATURE 291.0K
|
Resolution 3.80 Å R-free 0.426 |
| 8CHA Fc gamma RIIa 27W/131H variant ectodomain Deposited 2023-02-07 | Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain A
1–209（209 aa）
|
Mutation：Q27W | FLC CITRATE ANION × 1 PO4 PHOSPHATE ION × 3 16P 3,6,9,12,15,18-HEXAOXAICOSANE × 1 PGE TRIETHYLENE GLYCOL × 1 DXE 1,2-DIMETHOXYETHANE × 1 FWN 2-[2-(2-ethoxyethoxy)ethoxy]ethanol × 1 NA SODIUM ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 4.2；293.15 K；0.1M sodium phosphate citrate, pH4.2, 41% (v/v) PEG 300
|
Resolution 1.81 Å R-free 0.225 |
| 9MCX CRYSTAL STRUCTURE OF HUMAN IGG1 FC FRAGMENT-FC-GAMMA RECEPTOR IIA COMPLEX H131 VARIANT Deposited 2024-12-05 | Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain C
37–209（173 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；25% PEG 2000 MME, 0.1 M HEPES pH 7.5
|
Resolution 2.38 Å R-free 0.234 |
| 9N5P CRYSTAL STRUCTURE OF HUMAN IGG2 FC FRAGMENT-FC-GAMMA RECEPTOR IIA COMPLEX H131 VARIANT Deposited 2025-02-04 | Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain C
37–209（173 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；0.1 M HEPES pH 7.5, 25% PEG 2000 MME
|
Resolution 2.01 Å R-free 0.232 |