Structure of PDB 1rm0 Chain B Binding Site BS01

Receptor Information
>1rm0 Chain B (length=516) 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
LSAPKQFRSKEISKSSVIDDIIASNDILYNDKLGKKVDHCIVIKYMKPVG
DSKVAMDEYYSELMLGGHNRISIHNVCEDSLLATPLIIDLLVMTEFCTRV
SYKKVKFENFYPVLTFLSYWLKAPLTRPGFHPVNGLNKQRTALENFLRLL
IGLPSQNELRFEERLL
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 chain1rm0 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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PDB1rm0 The structure of the 1L-myo-inositol-1-phosphate synthase-NAD+-2-deoxy-D-glucitol 6-(E)-vinylhomophosphonate complex demands a revision of the enzyme mechanism.
Resolution2.05 Å
Binding residue
(original residue number in PDB)		I71 G72 G75 N76 N77 D148 I149 S184 R198 T244 A245 N246 T247 S296 D320 L321 S323 N355 D356 K369 D438 A442
Binding residue
(residue number reindexed from 1)		I62 G63 G66 N67 N68 D139 I140 S175 R189 T235 A236 N237 T238 S287 D311 L312 S314 N346 D347 K360 D429 A433
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) D320 K369 K412 K489
Catalytic site (residue number reindexed from 1) D311 K360 K403 K472
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
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1rm0, PDBe:1rm0, PDBj:1rm0
PDBsum1rm0
PubMed14684747
UniProtP11986|INO1_YEAST Inositol-3-phosphate synthase (Gene Name=INO1)

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