Structure of PDB 1ss9 Chain A

Receptor sequence
>1ss9A (length=280) Species: 487 (Neisseria meningitidis) [Search protein sequence]
MDIVFAADDNYAAYLCVAAKSVEAAHPDTEIRFHVLDAGISEANRAAVAA
NLRGGGGNIRFIDVNPEDFAGFPLNIRHISITTYARLKLGEYIADCDKVL
YLDIDVLVRDSLTPLWDTDLGDNWLGACIDLFVERQEGYKQKIGMADGEY
YFNAGVLLINLKKWRRHDIFKMSCEWVEQYKDVMQYQDEDILNGLFKGGV
CYANSRFNFMPTNYAFMANASRHTDPLYRDRTNTVMPVAVSHYCGPAKPW
HRDCTAWGAERFTELAGSLTTVPEEWRGKL
3D structure
PDB1ss9 Intermediate trapping on a mutant retaining alpha-galactosyltransferase identifies an unexpected aspartate residue.
ChainA
Resolution2.6 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H78 D103 D105 D130 D188 E189 H244 K250
Catalytic site (residue number reindexed from 1) H78 D103 D105 D130 D188 E189 H242 K248
Enzyme Commision number 2.4.1.44: lipopolysaccharide 3-alpha-galactosyltransferase.
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 MN A D103 D105 H244 D103 D105 H242
BS02 UPF A A6 D8 Y11 H78 I79 S80 T83 D103 D105 N153 G155 Q187 E189 H244 G247 K250 A6 D8 Y11 H78 I79 S80 T83 D103 D105 N153 G155 Q187 E189 H242 G245 K248
Gene Ontology
Molecular Function
GO:0016740 transferase activity
GO:0016757 glycosyltransferase activity
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:1ss9, PDBe:1ss9, PDBj:1ss9
PDBsum1ss9
PubMed15075344
UniProtQ93EK7

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