Structure of PDB 1p1h Chain B

Receptor sequence
>1p1hB (length=491) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence]
TSVKVVTDKCTYKDNELLTKYSYENAVVTKTASGRFDVTPTVQDYVFKLD
LKKPEKLGIMLIGLGGNNGSTLVASVLANKHNVEFQTKEGVKQPNYFGSM
TQCSTLKLGIDAEGNDVYAPFNSLLPMVSPNDFVVSGWDINNADLYEAMQ
RSQVLEYDLQQRLKAKMSLVKPLPSIYYPDFIAANQDERANNCINLDEKG
NVTTRGKWTHLQRIRRDIQNFKEENALDKVIVLWTANTERYVEVSPGVND
TMENLLQSIKNDHEEIAPSTIFAAASILEGVPYINGSPQNTFVPGLVQLA
EHEGTFIAGDDLKSGQTKLKSVLAQFLVDAGIKPVSIASYNHLGNNDSND
ILYNDKLGKKVDHCIVIKYMKPVGDSKVAMDEYYSELMLGGHNRISIHNV
CEDSLLATPLIIDLLVMTEFCTRVSYKKVGKFENFYPVLTFLSYWLKAPL
TRPGFHPVNGLNKQRTALENFLRLLIGLPSQNELRFEERLL
3D structure
PDB1p1h Structures of NAD(+)- and NADH-bound 1-l-myo-inositol 1-phosphate synthase.
ChainB
Resolution1.95 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) D320 K412 K489
Catalytic site (residue number reindexed from 1) D311 K377 K447
Enzyme Commision number 5.5.1.4: inositol-3-phosphate synthase.
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 NAD B I71 G72 G75 N76 N77 D148 I149 S184 T244 A245 N246 T247 S296 D320 L321 N355 D356 D438 A442 I62 G63 G66 N67 N68 D139 I140 S175 T235 A236 N237 T238 S287 D311 L312 N346 D347 D403 A407
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:1p1h, PDBe:1p1h, PDBj:1p1h
PDBsum1p1h
PubMed12832758
UniProtP11986|INO1_YEAST Inositol-3-phosphate synthase (Gene Name=INO1)

[Back to BioLiP]