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Revision as of 11:24, 16 December 2009

Structural annotation of Rv2753c (dihydrodipicolinate synthase)
Name
Dihydrodipicolinate Synthase
Identifiers
Swiss Prot	P63945
Genbank	888289
PDB	1XXX
Chemical data
Formula	?
Mol. wt.	30,858 Da
Pharmacokinetic data
Bioavailability	?
Solubility	?
Isoelectric-Point	5.57

General

dapA catalyzes the formation of dihydrodipicolinate from L-aspartate 4-semialdehyde and pyruvate.

L-aspartate 4-semialdehyde + pyruvate = dihydrodipicolinate + 2H₂O.

This protein is eesential for optimal growth of M.tb and found in the cytoplasm as predicted by the WoLFPSORT and Subloc Server. HMMpfam found one domain PF00701 and has Helix Turn Helix secondary structure.

Human Homologue Blast Result

subject ids	% identity	% positives	alignment length	evalue
sp\|Q9BXD5	28	46.33	300	3.00E-023
sp\|Q86XE5	26.57	46.15	286	4.00E-022
sp\|Q9UG63	26.49	37.75	151	0.45
sp\|O14556	22.09	50	86	2
sp\|Q7Z7B0	27.69	44.62	65	2.7

Antigens

No Hit Found in AntigenDB Database.

No Hit Found in IEDB Database.

No Hit Found in MHCBN Database.

No Hit Found in BciPep Database.

Haptens

Epitopes

B-Cell Epitopes

MHC class I restricted T cell epitopes

CTL Epitopes

MHC Binder

Class-I Binder

Result predicted by nhlapred

Epitope	No of Alleles
VPIEPDTIR	15
TPFSGDGSL	14
TLSKAGLRL	13
IEPDTIRAL	13
GTYDTAHSI	13
DDALNLPWL	11
GFISVIAHL	10
GATGFISVI	10
ATPEQIDAL	10
YDTAHSIRL	9
GDIATARKI	9
AVLEAVGDR	9
ASHPNIVGV	9
QRGLQAHFT	7
GLQAHFTAV	7
AVGDRARVI	7
YSGDDALNL	6
VGFDVAARL	6
QLRELLSAF	6
TAVADATEL	5
TAARLANHL	5
LLRAVLEAV	5
GEKIELLRA	5
DTATAARLA	5
AAGQLRELL	5
TDGEKIELL	4
QAHFTAVAD	4
MSRLGGVTL	4
LDTATAARL	4
HPNIVGVKD	4
GVKDAKADL	4
DGEKIELLR	4
KIELLRAVL	3
HSIRLAKAC	3
GSGDIATAR	3
AHLAAGQLR	3
PTTTDGEKI	2
IAHLAAGQL	2
DLHSGAQIM
2

Epitope	No of Alleles
RVIAGAGTY	12
IMADTGLAY	11
MADTGLAYY	7
GLQAHFTAV	7
ATELPMLLY	6
ALASHPNIV	6
GTYDTAHSI	5
GLLVVTPYY	5
MSRLGGVTL	4
LLRAVLEAV	4
WLAMGATGF	3
QLRELLSAF	3
RALASHPNI	2
LLTAMVTPF	2
KINIAVAPL	2
GFISVIAHL	2

Class-II Binder

Alergen Protein

Non Allergen Predicted by AlgPred Server

Antibacterial

Bacterial Toxin

External Links

@@ Line 131: / Line 131: @@
 IAHLAAGQL  </td><td>     2
 </td></tr><tr><td>
-DLHSGAQIM   </td><td>    2
+DLHSGAQIM   </td></tr><tr><td>    2
+</td></tr></table>
+<table border='1'><tr><td>
+Epitope</td><td> No of Alleles
+</td></tr><tr><td>
+RVIAGAGTY </td><td>      12
+</td></tr><tr><td>
+IMADTGLAY  </td><td>     11
+</td></tr><tr><td>
+MADTGLAYY  </td><td>     7
+</td></tr><tr><td>
+GLQAHFTAV </td><td>      7
+</td></tr><tr><td>
+ATELPMLLY  </td><td>     6
+</td></tr><tr><td>
+ALASHPNIV  </td><td>     6
+</td></tr><tr><td>
+GTYDTAHSI  </td><td>     5
+</td></tr><tr><td>
+GLLVVTPYY  </td><td>     5
+</td></tr><tr><td>
+MSRLGGVTL  </td><td>     4
+</td></tr><tr><td>
+LLRAVLEAV  </td><td>     4
+</td></tr><tr><td>
+WLAMGATGF  </td><td>     3
+</td></tr><tr><td>
+QLRELLSAF  </td><td>     3
+</td></tr><tr><td>
+RALASHPNI  </td><td>     2
+</td></tr><tr><td>
+LLTAMVTPF  </td><td>     2
+</td></tr><tr><td>
+KINIAVAPL  </td><td>     2
+</td></tr><tr><td>
+GFISVIAHL  </td><td>     2
 </td></tr></table>

Structural annotation of Rv2753c (dihydrodipicolinate synthase)