Structure of PDB 1n43 Chain A

Receptor sequence
>1n43A (length=117) Species: 1895 (Streptomyces avidinii) [Search protein sequence]
GITGTWYAQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPA
TDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTT
EANAWKSTLVGHDTFTK
3D structure
PDB1n43 Structural studies of hydrogen bonds in the high-affinity streptavidin-biotin complex: mutations of amino acids interacting with the ureido oxygen of biotin.
ChainA
Resolution1.89 Å
3D
structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Enzyme Commision number ?
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 BTN A S27 Y43 S45 V47 N49 W79 T90 W108 D128 S12 Y28 S30 V32 N34 W64 T75 W93 D113 PDBbind-CN: -logKd/Ki=10.55,Kd~28pM
BindingDB: Kd=1.000000nM
Gene Ontology

View graph for
Molecular Function
External links
PDB RCSB:1n43, PDBe:1n43, PDBj:1n43
PDBsum1n43
PubMed12925786
UniProtP22629|SAV_STRAV Streptavidin

[Back to BioLiP]