Structure of PDB 3bg5 Chain B

Receptor sequence

>3bg5B (length=1074) Species: 1280 (Staphylococcus aureus)

QIKKLLVANRGEIAIRIFRAAAELDISTVAIYSNEDKSSLHRYKADESYL
VGSDLGPAESYLNIERIIDVAKQANVDAIHPGYGFLSENEQFARRCAEEG
IKFIGPHLEHLDMFGDKVKARTTAIKADLPVIPIDNPKHIEVQVIGDEHG
NIVHLFERDCSVQRRHQKVVEVAPSVGLSPTLRQRICDAAIQLMENIKYV
NAGTVEFLVSGDEFFFIEVNPRVQVEHTITEMVTGIDIVKTQILVAAGAD
LFGEEINMPQQKDITTLGYAIQCRITTEDPLNDFMPDTGTIIAYRSSGGF
GVRLDAGDGFQGAEISPYYDSLLVKLSTHAISFKQAEEKMVRSLREMRIR
GVKTNIPFLINVMKNKKFTSGDYTTKFIEETPELFDIQPSLDRGTKTLEY
IGNVTINGFPNVEKRPKPDYELASIPTVSSSKIASFSGTKQLLDEVGPKG
VAEWVKKQDDVLLTDTTFRDAHQSLLATRVRTKDMINIASKTADVFKDGF
SLEMWGGATFDVAYNFLKENPWERLERLRKAIPNVLFQMLLRASNAVGYK
NYPDNVIHKFVQESAKAGIDVFRIFDSLNWVDQMKVANEAVQEAGKISEG
TICYTGDILNPERSNIYTLEYYVKLAKELEREGFHILAIKDMAGLLKPKA
AYELIGELKSAVDLPIHLHTHDTSGNGLLTYKQAIDAGVDIIDTAVASMS
GLTSQPSANSLYYALNGFPRHLRTDIEGMESLSHYWSTVRTYYSDFESDI
KSPNTEIYQHEMPGGQYSNLSQQAKSLGLGERFDEVKDMYRRVNFLFGDI
VKVTPSSKVVGDMALYMVQNDLDEQSVITDGYKLDFPESVVSFFKGEIGQ
PVNGFNKDLQAVILKGQEALTARPGEYLEPVDFEKVRELLEEEQQGPVTE
QDIISYVLYPKVYEQYIQTRNQYGNLSLLDTPTFFFGMRNGETVEIEIDK
GKRLIIKLETISEPDENGNRTIYYAMNGQARRIYIKDENVHTNANVKPKA
DKSNPSHIGAQMPGSVTEVKVSVGETVKANQPLLITEAMKMETTIQAPFD
GVIKQVTVNNGDTIATGDLLIEIE

3D structure

• PDB: 3bg5 Crystal structures of human and Staphylococcus aureus pyruvate carboxylase and molecular insights into the carboxyltransfer reaction.
• Chain: B
• Resolution: 2.8 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): K152 H244 R270 T309 E311 E324 N326 R328 E332 R377 D572 D678 K741 H771 H773 I794 S800 M801 T840 T908 S910 V922 N924 Q929
• Catalytic site (residue number reindexed from 1): K117 H139 R165 T204 E206 E218 N220 R222 E226 R274 D470 D576 K640 H669 H671 I692 S698 M699 T738 T804 S806 V818 N820 Q825
• Enzyme Commision number: 6.4.1.1: pyruvate carboxylase.

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	BTI	B	N506 G511 F512 P513 F618 K620	N403 G408 F409 P410 F516 K518
BS02	MN	B	D572 H771 H773	D470 H669 H671
BS03	PYR	B	Q575 K741 T908	Q473 K640 T804

Gene Ontology

Molecular Function

• GO:0003824 catalytic activity
• GO:0004736 pyruvate carboxylase activity
• GO:0005524 ATP binding
• GO:0016874 ligase activity
• GO:0042802 identical protein binding
• GO:0046872 metal ion binding

Biological Process

• GO:0006090 pyruvate metabolic process
• GO:0006094 gluconeogenesis

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:3bg5, PDBe:3bg5, PDBj:3bg5
• PDBsum: 3bg5
• PubMed: 18297087
• UniProt: A0A0H3JRU9|PYC_STAAM Pyruvate carboxylase (Gene Name=pycA)