Structure of PDB 1pj4 Chain A

Receptor sequence
>1pj4A (length=552) Species: 9606 (Homo sapiens) [Search protein sequence]
KEKGKPLMLNPRTNKGMAFTLQERQMLGLQGLLPPKIETQDIQALRFHRN
LKKMTSPLEKYIYIMGIQERNEKLFYRILQDDIESLMPIVYTPTVGLACS
QYGHIFRRPKGLFISISDRGHVRSIVDNWPENHVKAVVVTDGERILGLGD
LGVYGMGIPVGKLCLYTACAGIRPDRCLPVCIDVGTDNIALLKDPFYMGL
YQKRDRTQQYDDLIDEFMKAITDRYGRNTLIQFEDFGNHNAFRFLRKYRE
KYCTFNDDIQGTAAVALAGLLAAQKVISKPISEHKILFLGAGEAALGIAN
LIVMSMVENGLSEQEAQKKIWMFDKYGLLVKGRKAKIDSYQEPFTHSAPE
SIPDTFEDAVNILKPSTIIGVAGAGRLFTPDVIRAMASINERPVIFALSN
PTAQAECTAEEAYTLTEGRCLFASGSPFGPVKLTDGRVFTPGQGNNVYIF
PGVALAVILCNTRHISDSVFLEAAKALTSQLTDEELAQGRLYPPLANIQE
VSINIAIKVTEYLYANKMAFRYPEPEDKAKYVKERTWRSEYDSLLPDVYE
WP
3D structure
PDB1pj4 Crystal structures of substrate complexes of malic enzyme and insights into the catalytic mechanism.
ChainA
Resolution2.3 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) Y112 R165 K183 E255 D256 D278 D279 N421
Catalytic site (residue number reindexed from 1) Y91 R144 K162 E234 D235 D257 D258 N400
Enzyme Commision number 1.1.1.38: malate dehydrogenase (oxaloacetate-decarboxylating).
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 E255 D256 D279 E234 D235 D258
BS02 ATP A R165 N259 A312 G313 E314 A315 D345 K346 V392 A393 G394 R144 N238 A291 G292 E293 A294 D324 K325 V371 A372 G373
BS03 ATP A I193 R194 R197 I479 L480 R542 Y552 R556 I172 R173 R176 I458 L459 R521 Y531 R535
BS04 FUM A Q64 R67 R91 Q43 R46 R70
Gene Ontology
Molecular Function
GO:0004470 malic enzyme activity
GO:0004471 malate dehydrogenase (decarboxylating) (NAD+) activity
GO:0004473 malate dehydrogenase (decarboxylating) (NADP+) activity
GO:0008948 oxaloacetate decarboxylase activity
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0016616 oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
GO:0046872 metal ion binding
GO:0051287 NAD binding
Biological Process
GO:0006090 pyruvate metabolic process
GO:0006108 malate metabolic process
GO:1902031 regulation of NADP metabolic process
Cellular Component
GO:0005739 mitochondrion
GO:0005759 mitochondrial matrix
GO:0043231 intracellular membrane-bounded organelle

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1pj4, PDBe:1pj4, PDBj:1pj4
PDBsum1pj4
PubMed12962632
UniProtP23368|MAOM_HUMAN NAD-dependent malic enzyme, mitochondrial (Gene Name=ME2)

[Back to BioLiP]