Structure of PDB 1p1k Chain B Binding Site BS01

Receptor Information
>1p1k Chain B (length=512) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TSVKVVTDKCTYKDNELLTKYSYENAVVTKTASGRFDVTPTVQDYVFKLD
LKKPEKLGIMLIGLGGNNGSTLVASVLANKHNVEFQTKEGVKQPNYFGSM
TQCSTLKLGIDAEGNDVYAPFNSLLPMVSPNDFVVSGWDINNADLYEAMQ
RSQVLEYDLQQRLKAKMSLVKPLPSIYYPDFIAANQDERANNCINLDEKG
NVTTRGKWTHLQRIRRDIQNFKEENALDKVIVLWTANTERYVEVSPGVND
TMENLLQSIKNDHEEIAPSTIFAAASILEGVPYINGSPQNTFVPGLVQLA
EHEGTFIAGDDLKSGQTKLKSVLAQFLVDAGIKPVSIASYNHLGNNDGYN
LSAPKQFRSKEIVIDDIIASNDILYNDKLGKKVDHCIVIKYMKPVGDSKV
AMDEYYSELMLGGHNRISIHNVCEDSLLATPLIIDLLVMTEFCTRVSYKK
VKFENFYPVLTFLSYWLKAPLTRPGFHPVNGLNKQRTALENFLRLLIGLP
SQNELRFEERLL
Ligand information
Ligand IDNAI
InChIInChI=1S/C21H29N7O14P2/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(32)14(30)11(41-21)6-39-44(36,37)42-43(34,35)38-5-10-13(29)15(31)20(40-10)27-3-1-2-9(4-27)18(23)33/h1,3-4,7-8,10-11,13-16,20-21,29-32H,2,5-6H2,(H2,23,33)(H,34,35)(H,36,37)(H2,22,24,25)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
InChIKeyBOPGDPNILDQYTO-NNYOXOHSSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)N5C=CCC(=C5)C(=O)N)O)O)O)O)N
CACTVS 3.341NC(=O)C1=CN(C=CC1)[C@@H]2O[C@H](CO[P@@](O)(=O)O[P@](O)(=O)OC[C@H]3O[C@H]([C@H](O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)N5C=CCC(=C5)C(=O)N)O)O)O)O)N
CACTVS 3.341NC(=O)C1=CN(C=CC1)[CH]2O[CH](CO[P](O)(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
FormulaC21 H29 N7 O14 P2
Name1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE;
NADH
ChEMBLCHEMBL1234616
DrugBankDB00157
ZINCZINC000008215403
PDB chain1p1k Chain B Residue 660 [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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PDB1p1k Structures of NAD(+)- and NADH-bound 1-l-myo-inositol 1-phosphate synthase.
Resolution2.1 Å
Binding residue
(original residue number in PDB)		G72 G75 N76 N77 D148 I149 S184 R198 T244 A245 N246 T247 S296 L321 N355 D356 K369 D438 S439 A442
Binding residue
(residue number reindexed from 1)		G63 G66 N67 N68 D139 I140 S175 R189 T235 A236 N237 T238 S287 L312 N346 D347 K360 D425 S426 A429
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) D320 K369 K412 K489
Catalytic site (residue number reindexed from 1) D311 K360 K399 K468
Enzyme Commision number 5.5.1.4: inositol-3-phosphate synthase.
Gene Ontology
Molecular Function
GO:0004512 inositol-3-phosphate synthase activity
GO:0016853 isomerase activity
Biological Process
GO:0006021 inositol biosynthetic process
GO:0008654 phospholipid biosynthetic process
Cellular Component
GO:0005737 cytoplasm

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1p1k, PDBe:1p1k, PDBj:1p1k
PDBsum1p1k
PubMed12832758
UniProtP11986|INO1_YEAST Inositol-3-phosphate synthase (Gene Name=INO1)

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