Structure of PDB 2xwo Chain A Binding Site BS01

Receptor Information
>2xwo Chain A (length=308) Species: 727 (Haemophilus influenzae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ADYDLKFGMNAGTSSNEYKAAEMFAKEVKEKSQGKIEISLYPSSQLGDDR
AMLKQLKDGSLDFTFAESARFQLFYPEAAVFALPYVISNYNVAQKALFDT
EFGKDLIKKMDKDLGVTLLSQAYNGTRQTTSNRAINSIADMKGLKLEVPN
AATNLAYAKYVGASPTPMAFSEVYLALQTNAVDGQENPLAAVQAQKFYEV
QKFLAMTNHILNDQLYLVSNETYKELPEDLQKVVKDAAENAAKYHTKLFV
DGEKDLVTFFEKQGVKITHPDLVPFKESMKPYYAEFVKQTGQKGESALKQ
IEAINPHH
Ligand information
Ligand IDSLM
InChIInChI=1S/C11H20N2O8/c1-4(15)13-7-5(16)2-11(20,10(12)19)21-9(7)8(18)6(17)3-14/h5-9,14,16-18,20H,2-3H2,1H3,(H2,12,19)(H,13,15)/t5-,6+,7+,8+,9+,11-/m0/s1
InChIKeyPKSULYZGXFBQIQ-PFQGKNLYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.6.1CC(=O)NC1C(CC(OC1C(C(CO)O)O)(C(=O)N)O)O
OpenEye OEToolkits 1.6.1CC(=O)N[C@@H]1[C@H](C[C@](O[C@H]1[C@@H]([C@@H](CO)O)O)(C(=O)N)O)O
CACTVS 3.352CC(=O)N[CH]1[CH](O)C[C](O)(O[CH]1[CH](O)[CH](O)CO)C(N)=O
CACTVS 3.352CC(=O)N[C@@H]1[C@@H](O)C[C@](O)(O[C@H]1[C@H](O)[C@H](O)CO)C(N)=O
ACDLabs 10.04O=C(N)C1(O)OC(C(O)C(O)CO)C(NC(=O)C)C(O)C1
FormulaC11 H20 N2 O8
Name(2S,4S,5R,6R)-5-acetamido-2,4-dihydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxamide;
SIALYLAMIDE
ChEMBL
DrugBank
ZINCZINC000087527805
PDB chain2xwo Chain A Residue 1309 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB2xwo Tripartite ATP-Independent Periplasmic (Trap) Transporters Use an Arginine-Mediated Selectivity Filter for High Affinity Substrate Binding.
Resolution1.54 Å
Binding residue
(original residue number in PDB)
N10 D49 E67 R127 P149 F170 N187 Q214
Binding residue
(residue number reindexed from 1)
N10 D49 E67 R127 P149 F170 N187 Q214
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Biological Process
GO:0055085 transmembrane transport
Cellular Component
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space

View graph for
Biological Process

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Cellular Component
External links
PDB RCSB:2xwo, PDBe:2xwo, PDBj:2xwo
PDBsum2xwo
PubMed26342690
UniProtP44542|SIAP_HAEIN Sialic acid-binding periplasmic protein SiaP (Gene Name=siaP)

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