Structure of PDB 6nn4 Chain B

Receptor sequence
>6nn4B (length=414) Species: 9606 (Homo sapiens) [Search protein sequence]
FFQQQQLPAAMADTFLEHLCLLDIDSEPVAARSTSIIATIGPASRSVERL
KEMIKAGMNIARLNFSHGSHEYHAESIANVREAVESFYRPVAIALDTKGP
EPGLSEQDVRDLRFGVEHGVDIVFASFVRKASDVAAVRAALGPEGHGIKI
ISKIENHEGVKRFDEILEVSDGIMVARGDLGIEIPAEKVFLAQKMMIGRC
NLAGKPVVCATQMLESMITKPRPTRAETSDVANAVLDGADCIMLSGETAK
GNFPVEAVKMQHAIAREAEAAVYHRQLFEELRRAAPLSRDPTEVTAIGAV
EAAFKCCAAAIIVLTTTGRSAQLLSRYRPRAAVIAVTRSAQAARQVHLCR
GVFPLLYREPPEAIWADDVNRRVQFGIESGKLRGFLRVGDLVIVVTGWRP
GSGYTNIMRVLSIS
3D structure
PDB6nn4 Changes in the allosteric site of human liver pyruvate kinase upon activator binding include the breakage of an intersubunit cation-pi bond.
ChainB
Resolution2.15 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 K282 T340
Catalytic site (residue number reindexed from 1) R62 K153 T211
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 FBP B L443 T444 T445 T446 S449 W494 R501 G526 R528 G530 S531 Y533 T534 L314 T315 T316 T317 S320 W365 R372 G397 R399 G401 S402 Y404 T405
BS02 PEP B R85 K282 E284 A305 G307 D308 T340 R62 K153 E155 A176 G178 D179 T211
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:6nn4, PDBe:6nn4, PDBj:6nn4
PDBsum6nn4
PubMed31204694
UniProtP30613|KPYR_HUMAN Pyruvate kinase PKLR (Gene Name=PKLR)

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