Isoform 4 of Mesothelin
Homo sapiens
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 × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count | Chain M; UniProt 295–599 | Not recorded | MORAb-009 Fab light chain × 1 MORAb-009 Fab heavy chain × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 GOL GLYCEROL × 1 SO4 SULFATE ION × 2 | X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;289 K;0.1 M Tris, pH 7, 150 mM sodium citrate, 16.4% PEG3350, 100 mM lithium sulfate | Resolution 3.00 Å R-free 0.237 |
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.
| Other PDB | Difference from Current Entry 7UED | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 4F3F Crystal Structure of Msln7-64 MORAb-009 FAB complex Deposited 2012-05-09 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain C
302–359(58 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 5.6;294 K;0.1 M Trisodium citrate pH 5.6, 17% Polyethylene glycol 3350, VAPOR DIFFUSION, HANGING DROP, temperature 294K
|
Resolution 2.65 Å R-free 0.222 |
| 7U8C Crystal structure of Mesothelin C-terminal peptide-MORAb 15B6 FAB complex Deposited 2022-03-08 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain BA2
590–606(17 aa)
Fragment:C-terminal peptide (UNP residues 590-606)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;277 K;0.1 M sodium acetate, pH 4.5, 26% PEG550 MME, 6% 2-propanol
|
Resolution 1.74 Å R-free 0.238 |
| 7U9J Crystal structure of Mesothelin-207 fragment Deposited 2022-03-10 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
296–501(206 aa)
|
Not recorded | SO4 SULFATE ION × 2 GOL GLYCEROL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 7.5;289 K;0.1 M HEPES, pH 7.5, 100 mM potassium chloride, 12.5% PEG3350, 100 mM lithium sulfate
|
Resolution 2.09 Å R-free 0.216 |
| 7U9J Crystal structure of Mesothelin-207 fragment Deposited 2022-03-10 | Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
296–501(206 aa)
|
Not recorded | SO4 SULFATE ION × 2 GOL GLYCEROL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 7.5;289 K;0.1 M HEPES, pH 7.5, 100 mM potassium chloride, 12.5% PEG3350, 100 mM lithium sulfate
|
Resolution 2.09 Å R-free 0.216 |
| 8CX3 Crystal structure of full-length mesothelin Deposited 2022-05-19 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
295–599(305 aa)
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 PO4 PHOSPHATE ION × 1 GOL GLYCEROL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.2;289 K;0.9-1.1 M sodium/potassium phosphate, pH 8.2
|
Resolution 3.61 Å R-free 0.310 |
| 8CX3 Crystal structure of full-length mesothelin Deposited 2022-05-19 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
295–599(305 aa)
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 PO4 PHOSPHATE ION × 2 GOL GLYCEROL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.2;289 K;0.9-1.1 M sodium/potassium phosphate, pH 8.2
|
Resolution 3.61 Å R-free 0.310 |
| 8CX3 Crystal structure of full-length mesothelin Deposited 2022-05-19 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 3 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain C
295–599(305 aa)
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 PO4 PHOSPHATE ION × 1 GOL GLYCEROL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.2;289 K;0.9-1.1 M sodium/potassium phosphate, pH 8.2
|
Resolution 3.61 Å R-free 0.310 |
| 8CX3 Crystal structure of full-length mesothelin Deposited 2022-05-19 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 4 Other combination Monomer;Protein × 1 PDB declaration: monomeric |
Chain D
295–599(305 aa)
|
Not recorded | PO4 PHOSPHATE ION × 1 GOL GLYCEROL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.2;289 K;0.9-1.1 M sodium/potassium phosphate, pH 8.2
|
Resolution 3.61 Å R-free 0.310 |
| 8CX3 Crystal structure of full-length mesothelin Deposited 2022-05-19 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 5 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain E
295–599(305 aa)
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 PO4 PHOSPHATE ION × 3 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.2;289 K;0.9-1.1 M sodium/potassium phosphate, pH 8.2
|
Resolution 3.61 Å R-free 0.310 |
| 8CX3 Crystal structure of full-length mesothelin Deposited 2022-05-19 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 6 Other combination Monomer;Protein × 1 PDB declaration: monomeric |
Chain F
295–599(305 aa)
|
Not recorded | PO4 PHOSPHATE ION × 2 GOL GLYCEROL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.2;289 K;0.9-1.1 M sodium/potassium phosphate, pH 8.2
|
Resolution 3.61 Å R-free 0.310 |
| 8CXC Novel Anti-Mesothelin Antibodies Enable Crystallography of the Intact Mesothelin Ectodo- main and Engineering of Potent, T cell-engaging Bispecific Therapeutics Deposited 2022-05-20 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: pentameric |
Chain M
296–605(310 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8;293 K;tris 8.0, zinc chloride, ammonium sulfate
|
Resolution 4.31 Å R-free 0.300 |
| 8CYH Novel Anti-Mesothelin Antibodies Enable Crystallography of the Intact Mesothelin Ectodo- main and Engineering of Potent, T cell-engaging Bispecific Therapeutics Deposited 2022-05-23 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain M
296–605(310 aa)
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8;295 K;Tris (8.0), sodium citrate, Peg3350
|
Resolution 3.38 Å R-free 0.268 |
| 8CZ8 Novel Anti-Mesothelin Antibodies Enable Crystallography of the Intact Mesothelin Ectodo- main and Engineering of Potent, T cell-engaging Bispecific Therapeutics Deposited 2022-05-24 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain E
434–590(157 aa)
|
Not recorded | SO4 SULFATE ION × 4 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 9;295 K;bicine (9.0), glycerol, ammonium sulfate
|
Resolution 2.60 Å R-free 0.224 |
| 8CZ8 Novel Anti-Mesothelin Antibodies Enable Crystallography of the Intact Mesothelin Ectodo- main and Engineering of Potent, T cell-engaging Bispecific Therapeutics Deposited 2022-05-24 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain M
434–590(157 aa)
|
Not recorded | SO4 SULFATE ION × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 9;295 K;bicine (9.0), glycerol, ammonium sulfate
|
Resolution 2.60 Å R-free 0.224 |
| 8FSL Human Mesothelin bound to a neutralizing VH domain antibody Deposited 2023-01-10 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain E
300–584(285 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;286 K;PEG3350 20%
0.15 M ammonium nitrate
|
Resolution 2.90 Å R-free 0.254 |
| 8FSL Human Mesothelin bound to a neutralizing VH domain antibody Deposited 2023-01-10 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain F
300–584(285 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;286 K;PEG3350 20%
0.15 M ammonium nitrate
|
Resolution 2.90 Å R-free 0.254 |
| 8VM1 Structural Elucidation of the Mesothelin Mucin16 CA125 Interaction Deposited 2024-01-12 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Insufficient information Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
296–359(64 aa)
Fragment:residues 296-359 of mesothelin (Uniprot numbering),SEA 10 domain of mucin-16
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;Bis-Tris, NH4CL, PEG3350
|
Resolution 2.65 Å R-free 0.298 |
| 9P4C Crystal structure of Mesothelin C-terminal peptide-RO4 Fab complex Deposited 2025-06-16 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain M
590–606(17 aa)
Fragment:C-terminal peptide (UNP residues 590-606)
|
Not recorded | GOL GLYCEROL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;277 K;0.1M Bis-Tris, pH 6.5 and 16% PEG 10000
|
Resolution 1.52 Å R-free 0.180 |
| 9Z3B Structure C-terminal human Mesothelin Peptide bound to MSLNB703 Fab Deposited 2025-11-06 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain I
590–606(17 aa)
Fragment:C-terminal peptide (UNP residues 590-606)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;293 K;30% PEG1500
|
Resolution 1.96 Å R-free 0.278 |
| 9Z3B Structure C-terminal human Mesothelin Peptide bound to MSLNB703 Fab Deposited 2025-11-06 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain J
590–606(17 aa)
Fragment:C-terminal peptide (UNP residues 590-606)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;293 K;30% PEG1500
|
Resolution 1.96 Å R-free 0.278 |
| 9Z3B Structure C-terminal human Mesothelin Peptide bound to MSLNB703 Fab Deposited 2025-11-06 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 3 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain K
590–606(17 aa)
Fragment:C-terminal peptide (UNP residues 590-606)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;293 K;30% PEG1500
|
Resolution 1.96 Å R-free 0.278 |
| 9Z3B Structure C-terminal human Mesothelin Peptide bound to MSLNB703 Fab Deposited 2025-11-06 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 4 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain L
590–606(17 aa)
Fragment:C-terminal peptide (UNP residues 590-606)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;293 K;30% PEG1500
|
Resolution 1.96 Å R-free 0.278 |
11 other PDB entries and 22 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | MSLN_HUMAN |
| Isoform | Q13421-4 |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain M; PDBConstruct 2–306; UniProt 295–599 |