Information on 1ksi_A_593 |
Loop code: 1ksi_A_593 PDB: 1ksi Chain: A Type: AR beta-beta link |
Loop Start: 593 Loop Length: 12 Sec Struct Nt length: 11 Sec Struct Ct length: 4 Structure geometry
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Sequence: | IVMWHVVGIHHVPAQEDFPIMPLLSTS |
Sec Struct: | EEEEEEEEEEE---GGGSSS---EEEE |
PDB ligands within a cut-off distance of 6 Å in this loop |
Ligands | Residue | atSS | atLOOP |
MNMANGANESE (II) ION | I - 593 | 1 | 0 |
MNMANGANESE (II) ION | V - 594 | 1 | 0 |
CUCOPPER (II) ION | H - 603 | 0 | 1 |
CUCOPPER (II) ION | M - 613 | 0 | 1 |
PDB Site Annotation |
Site | Residue | atSS | atLOOP |
ACA - THE COPPER ATOM IN THE ACTIVE SITE OF EACH SUBUNIT IS LIGATED TO THREE HISTIDINE RESIDUES AND TWO WATER MOLECULES IN A DISTORTED SQUARE PYRAMIDAL ARRANGEMENT. THE ORGANIC COFACTOR TOPA QUINONE (TPQ) IS IN THE ACTIVE SITE WITH THE NEAREST QUINONE OXYGEN ATOM AT ~6A FROM THE COPPER ATOM. | H - 603 | 0 | 1 |