Structure of PDB 2cex Chain A Binding Site BS01

Receptor Information
>2cex Chain A (length=304) Species: 727 (Haemophilus influenzae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DYDLKFGMNAGTSSNEYKAAEMFAKEVKEKSQGKIEISLYPSSQLGDDRA
MLKQLKDGSLDFTFAESARFQLFYPEAAVFALPYVISNYNVAQKALFDTE
FGKDLIKKMDKDLGVTLLSQAYNGTRQTTSNRAINSIADMKGLKLRVPNA
ATNLAYAKYVGASPTPMAFSEVYLALQTNAVDGQENPLAAVQAQKFYEVQ
KFLAMTNHILNDQLYLVSNETYKELPEDLQKVVKDAAENAAKYHTKLFVD
GEKDLVTFFEKQGVKITHPDLVPFKESMKPYYAEFVKQTGQKGESALKQI
EAIN
Ligand information
Ligand IDZN
InChIInChI=1S/Zn/q+2
InChIKeyPTFCDOFLOPIGGS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Zn++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Zn+2]
FormulaZn
NameZINC ION
ChEMBLCHEMBL1236970
DrugBankDB14532
ZINC
PDB chain2cex Chain A Residue 1306 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB2cex Conservation of Structure and Mechanism in Primary and Secondary Transporters Exemplified by Siap, a Sialic Acid Binding Virulence Factor from Haemophilus Influenzae
Resolution2.2 Å
Binding residue
(original residue number in PDB)		D2 D4
Binding residue
(residue number reindexed from 1)		D1 D3
Annotation score4
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
View graph for
Cellular Component
External links
PDB RCSB:2cex, PDBe:2cex, PDBj:2cex
PDBsum2cex
PubMed16702222
UniProtP44542|SIAP_HAEIN Sialic acid-binding periplasmic protein SiaP (Gene Name=siaP)

[Back to BioLiP]