Information on 1ksi_A_442 |
Loop code: 1ksi_A_442 PDB: 1ksi Chain: A Type: AR beta-beta link |
Loop Start: 442 Loop Length: 7 Sec Struct Nt length: 11 Sec Struct Ct length: 11 Structure geometry
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Sequence: | HDHFYIYYLDFDIDGTHNSFEKTSLKTVR |
Sec Struct: | EEEEEEEEEEE-TTSS-BEEEEEEEEEEE |
PDB ligands within a cut-off distance of 6 Å in this loop |
Ligands | Residue | atSS | atLOOP |
CUCOPPER (II) ION | H - 442 | 1 | 0 |
TPQ5-(2-CARBOXY-2-AMINOETHYL)-2-HYDROXY-1,4-BENZOQUINONE | H - 442 | 1 | 0 |
CUCOPPER (II) ION | D - 443 | 1 | 0 |
CUCOPPER (II) ION | H - 444 | 1 | 0 |
TPQ5-(2-CARBOXY-2-AMINOETHYL)-2-HYDROXY-1,4-BENZOQUINONE | H - 444 | 1 | 0 |
MNMANGANESE (II) ION | L - 450 | 1 | 0 |
MNMANGANESE (II) ION | D - 451 | 0 | 1 |
MNMANGANESE (II) ION | F - 452 | 0 | 1 |
MNMANGANESE (II) ION | D - 453 | 0 | 1 |
MNMANGANESE (II) ION | G - 456 | 0 | 1 |
MNMANGANESE (II) ION | T - 457 | 0 | 1 |
MNMANGANESE (II) ION | N - 459 | 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 - 442 | 1 | 0 |
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 - 444 | 1 | 0 |