Structure of PDB 4ima Chain B

Receptor sequence
>4imaB (length=500) Species: 9606 (Homo sapiens) [Search protein sequence]
ELGTAFFQQQQLPAAMADTFLEHLCLLDIDSEPVAARSTSIIATIGPASR
SVERLKEMIKAGMNIARLNFSHGSHEYHAESIANVREAVESFAGSPLSYR
PVAIALDTKGPEIRTESEVELVKGSVLVTVDPAFRGNANTVWVDYPNIVR
VVPGRIYIDDGLISLVVTQVENGGVLGSRKGVNLPGAPGLSEQDVRDLRF
GVEHGVDIVFASFVRKASDVAAVRAALGPEGHGIKIISKIENHEGVKRFD
EILEVSDGIMVARGDLGIEIPAEKVFLAQKMMIGRCNLAGKPVVCATQML
ESMITKARPTRAETSDVANAVLDGADCIMLSGETAKGNFPVEAVKMQHAI
AREAEAAVYHRQLFEELRRAAPLSRDPTEVTAIGAVEAAFKCMAAAIIVL
TTTGRSAQLLSRYRPRAAVIAVTRSAQAARQVHLCRGVFPLLYREPPEAI
WADDVDRRVQFGIESGKLRGFLRVGDLVIVVTGWRPGSGYTNIMRVLSIS
3D structure
PDB4ima Energetic Coupling between an Oxidizable Cysteine and the Phosphorylatable N-Terminus of Human Liver Pyruvate Kinase.
ChainB
Resolution1.954 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) R85 R132 K282 T340
Catalytic site (residue number reindexed from 1) R67 R114 K239 T297
Enzyme Commision number 2.7.1.40: pyruvate kinase.
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 B E284 D308 E241 D265
BS02 FBP B L443 T444 T445 T446 S449 W494 R501 G526 R528 P529 G530 S531 G532 Y533 T534 L400 T401 T402 T403 S406 W451 R458 G483 R485 P486 G487 S488 G489 Y490 T491
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003824 catalytic activity
GO:0004743 pyruvate kinase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016301 kinase activity
GO:0030955 potassium ion binding
GO:0046872 metal ion binding
GO:0048029 monosaccharide binding
Biological Process
GO:0001666 response to hypoxia
GO:0006096 glycolytic process
GO:0007584 response to nutrient
GO:0009749 response to glucose
GO:0010038 response to metal ion
GO:0016310 phosphorylation
GO:0032869 cellular response to insulin stimulus
GO:0033198 response to ATP
GO:0042866 pyruvate biosynthetic process
GO:0051591 response to cAMP
GO:0071872 cellular response to epinephrine stimulus
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4ima, PDBe:4ima, PDBj:4ima
PDBsum4ima
PubMed23270483
UniProtP30613|KPYR_HUMAN Pyruvate kinase PKLR (Gene Name=PKLR)

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