Structure of PDB 3ca1 Chain A

Receptor sequence
>3ca1A (length=257) Species: 4202 (Sambucus nigra) [Search protein sequence]
TSFTRNIVGRDGLCVDVRNGYDTDGTPLQLWPCGTQRNQRWTFDSDDTIR
SMGKCMTANGLNNGSNIVIFNCSTAAENAIKWEVPIDGSIINPSSGLVMT
APRAASRTILLLEDNIYAASQGWTVTNNVKPIVASIVGYKEMCLQSNGEN
NGVWMEDCEATSLQQQWALYGDRTIRVNSTRGLCVTTNGYNSKDLIIILK
CQGLPSQRWFFNSDGAIVNPKSRLVMDVRASNVSLREIIIFPATGNPNQQ
WVTQVLP
3D structure
PDB3ca1 Structural basis for sugar recognition, including the Tn carcinoma antigen, by the lectin SNA-II from Sambucus nigra
ChainA
Resolution1.55 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.2.2.22: rRNA N-glycosylase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 GLA A D16 R18 N19 Q29 Q36 N38 D16 R18 N19 Q29 Q36 N38
BS02 GLA A D227 A230 N248 D227 A230 N248
External links
PDB RCSB:3ca1, PDBe:3ca1, PDBj:3ca1
PDBsum3ca1
PubMed18798567
UniProtP33183|NIGB_SAMNI Nigrin b

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