Structure of PDB 3b50 Chain A

Receptor sequence
>3b50A (length=310) Species: 727 (Haemophilus influenzae) [Search protein sequence]
ADYDLKFGMNAGTSSNEYKAAEMFAKEVKEKSQGKIEISLYPSSQLGDDR
AMLKQLKDGSLDFTFAESARFQLFYPEAAVFALPYVISNYNVAQKALFDT
EFGKDLIKKMDKDLGVTLLSQAYNGTRQTTSNRAINSIADMKGLKLRVPN
AATNLAYAKYVGASPTPMAFSEVYLALQTNAVDGQENPLAAVQAQKFYEV
QKFLAMTNHILNDQLYLVSNETYKELPEDLQKVVKDAAENAAKYHTKLFV
DGEKDLVTFFEKQGVKITHPDLVPFKESMKPYYAEFVKQTGQKGESALKQ
IEAINPKGEA
3D structure
PDB3b50 Characterization of the N-Acetyl-5-neuraminic Acid-binding Site of the Extracytoplasmic Solute Receptor (SiaP) of Nontypeable Haemophilus influenzae Strain 2019
ChainA
Resolution1.4 Å
3D
structure
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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 SLB A N10 D49 F65 E67 R70 R127 R147 F170 N187 Q214 N10 D49 F65 E67 R70 R127 R147 F170 N187 Q214 MOAD: Kd=28nM
PDBbind-CN: -logKd/Ki=7.55,Kd=28nM
Gene Ontology
Biological Process
GO:0055085 transmembrane transport
Cellular Component
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space

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Biological Process

View graph for
Cellular Component
External links
PDB RCSB:3b50, PDBe:3b50, PDBj:3b50
PDBsum3b50
PubMed17947229
UniProtP44542|SIAP_HAEIN Sialic acid-binding periplasmic protein SiaP (Gene Name=siaP)

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