Crystal Structure of Human methyltransferase AD-003 in complex with S-adenosyl-L-homocysteine. Determined by X-ray diffraction at 1.75 Å resolution. Released 15 Nov 2005.
Explore 2EX4 in 3D Show helices and sheets RCSB PDB PDBe
2EX4 contains 32 α-helices and 20 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 2-5 | 4 | |
| α-helix | 9-21 | 13 | |
| α-helix | 27-30 | 4 | |
| α-helix | 35-37 | 3 | |
| α-helix | 38-50 | 13 | |
| α-helix | 51-53 | 3 | |
| β-strand | 65-69 | 5 | 1 |
| α-helix | 75-76 | 2 | |
| α-helix | 77-81 | 5 | |
| β-strand | 87-92 | 6 | 1 |
| α-helix | 95-104 | 10 | |
| α-helix | 106-111 | 6 | |
| β-strand | 112-117 | 6 | 1 |
| α-helix | 120-122 | 3 | |
| α-helix | 125-126 | 2 | |
| β-strand | 130-136 | 7 | 1 |
| α-helix | 139-141 | 3 | |
| α-helix | 144-157 | 14 | |
| β-strand | 158-170 | 13 | 1 |
| β-strand | 171 | 1 | 2 |
| β-strand | 175-178 | 4 | 3 |
| β-strand | 183-186 | 4 | 3 |
| β-strand | 187 | 1 | 2 |
| α-helix | 188-197 | 10 | |
| β-strand | 202-207 | 6 | 1 |
| α-helix | 216 | 1 | |
| β-strand | 217-223 | 7 | 1 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 2-4 | 3 | |
| α-helix | 9-21 | 13 | |
| α-helix | 27-30 | 4 | |
| α-helix | 35-37 | 3 | |
| α-helix | 38-53 | 16 | |
| β-strand | 65-69 | 5 | 4 |
| α-helix | 75-76 | 2 | |
| α-helix | 77-81 | 5 | |
| α-helix | 82-84 | 3 | |
| β-strand | 87-92 | 6 | 4 |
| α-helix | 95-104 | 10 | |
| α-helix | 106-111 | 6 | |
| β-strand | 112-117 | 6 | 4 |
| α-helix | 120-122 | 3 | |
| α-helix | 125-126 | 2 | |
| β-strand | 130-136 | 7 | 4 |
| α-helix | 139-141 | 3 | |
| α-helix | 144-157 | 14 | |
| β-strand | 158-171 | 14 | 4 |
| β-strand | 175-178 | 4 | 4 |
| β-strand | 183-187 | 5 | 4 |
| α-helix | 188-197 | 10 | |
| β-strand | 202-207 | 6 | 4 |
| α-helix | 216 | 1 | |
| β-strand | 217-223 | 7 | 4 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| adrenal gland protein AD-003 | A, B | protein | 241 | Homo sapiens | Q9BV86 (AlphaFold model) |
>2EX4_1 adrenal gland protein AD-003 (chains A, B) MGSSHHHHHHSSGLVPRGSTSEVIEDEKQFYSKAKTYWKQIPPTVDGMLGGYGHISSIDI NSSRKFLQRFLREGPNKTGTSCALDCGAGIGRITKRLLLPLFREVDMVDITEDFLVQAKT YLGEEGKRVRNYFCCGLQDFTPEPDSYDVIWIQWVIGHLTDQHLAEFLRRCKGSLRPNGI IVIKDNMAQEGVILDDVDSSVCRDLDVVRRIICSAGLSLLAEERQENLPDEIYHVYSFAL R
| ID | Name | Formula | Copies |
|---|---|---|---|
| SAH | S-adenosyl-L-homocysteine | C14 H20 N6 O5 S | 2 |
The Crystal Structure of Human AD-003 protein in complex with S-adenosyl-L-homocysteine. Min, J., Wu, H., Zeng, H. et al. To be published.
Other PDB entries of the same protein (UniProt Q9BV86 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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