Structure of PDB 1a65 Chain A Binding Site BS01

Receptor Information

>1a65 Chain A (length=504) Species: 5346 (Coprinopsis cinerea)

QIVNSVDTMTLTNANVSPDGFTRAGILVNGVHGPLIRGGKNDNFELNVVN
DLDNPTMLRPTSIHWHGLFQRGTNWADGADGVNQCPISPGHAFLYKFTPA
GHAGTFWYHSHFGTQYCDGLRGPMVIYDDNDPHAALYDEDDENTIITLAD
WYHIPAPSIQGAAQPDATLINGKGRYVGGPAAELSIVNVEQGKKYRMRLI
SLSCDPNWQFSIDGHELTIIEVDGELTEPHTVDRLQIFTGQRYSFVLDAN
QPVDNYWIRAQPNKGRNGLAGTFANGVNSAILRYAGAANADPTTSANPNP
AQLNEADLHALIDPAAPGIPTPGAADVNLRFQLGFSGGRFTINGTAYESP
SVPTLLQIMSGAQSANDLLPAGSVYELPRNQVVELVVPAGVLGGPHPFHL
HGHAFSVVRSAGSSTYNFVNPVKRDVVSLGVTGDEVTIRFVTDNPGPWFF
HCHIEFHLMNGLAIVFAEDMANTVDANNPPVEWAQLCEIYDDLPPEATSI
QTVV

Ligand information

• Ligand ID: CU
• InChI: InChI=1S/Cu/q+2
• InChIKey: JPVYNHNXODAKFH-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Cu+2]
  CACTVS 3.341: [Cu++]
• Formula: Cu
• Name: COPPER (II) ION
• DrugBank: DB14552
• PDB chain: 1a65 Chain A Residue 901

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1a65 Crystal structure of the type-2 Cu depleted laccase from Coprinus cinereus at 2.2 A resolution.
• Resolution: 2.23 Å
• Binding residue (original residue number in PDB): H396 C452 H457
• Binding residue (residue number reindexed from 1): H396 C452 H457
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): H64 H66 H109 H111 H396 H399 H401 H451 C452 H453 I454 H457 L462
• Catalytic site (residue number reindexed from 1): H64 H66 H109 H111 H396 H399 H401 H451 C452 H453 I454 H457 L462
• Enzyme Commision number: 1.10.3.2: laccase.

Gene Ontology

Molecular Function

• GO:0005507 copper ion binding
• GO:0016491 oxidoreductase activity
• GO:0046872 metal ion binding
• GO:0052716 hydroquinone:oxygen oxidoreductase activity

Cellular Component

• GO:0005576 extracellular region

External links

• PDB: RCSB:1a65, PDBe:1a65, PDBj:1a65
• PDBsum: 1a65
• PubMed: 9546223
• UniProt: Q9Y780