Structure of PDB 1bxr Chain A Binding Site BS05

Receptor Information
>1bxr Chain A (length=1073) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MPKRTDIKSILILGAGPIVIGQACEFDYSGAQACKALREEGYRVILVNSN
PATIMTDPEMADATYIEPIHWEVVRKIIEKERPDAVLPTMGGQTALNCAL
ELERQGVLEEFGVTMIGATADAIDKAEDRRRFDVAMKKIGLETARSGIAH
TMEEALAVAADVGFPCIIRPSFTMGGSGGGIAYNREEFEEICARGLDLSP
TKELLIDESLIGWKEYEMEVVRDKNDNCIIVCSIENFDAMGIHTGDSITV
APAQTLTDKEYQIMRNASMAVLREIGVETGGSNVQFAVNPKNGRLIVIEM
NPRVSRSSALASKATGFPIAKVAAKLAVGYTLDELMNDITGGRTPASFEP
SIDYVVTKIPRFNFEKFAGANDRLTTQMKSVGEVMAIGRTQQESLQKALR
GLEVGATGFDPKVSLDDPEALTKIRRELKDAGADRIWYIADAFRAGLSVD
GVFNLTNIDRWFLVQIEELVRLEEKVAEVGITGLNADFLRQLKRKGFADA
RLAKLAGVREAEIRKLRDQYDLHPVYKRVDTCAAEFATDTAYMYSTYEEE
CEANPSTDREKIMVLGGGPNRIGQGIEFDYCCVHASLALREDGYETIMVN
CNPETVSTDYDTSDRLYFEPVTLEDVLEIVRIEKPKGVIVQYGGQTPLKL
ARALEAAGVPVIGTSPDAIDRAEDRERFQHAVERLKLKQPANATVTAIEM
AVEKAKEIGYPLVVRPSYVLGGRAMEIVYDEADLRRYFQTAVSVSNDAPV
LLDHFLDDAVEVDVDAICDGEMVLIGGIMEHIEQAGVHSGDSACSLPAYT
LSQEIQDVMRQQVQKLAFELQVRGLMNVQFAVKNNEVYLIEVNPRAARTV
PFVSKATGVPLAKVAARVMAGKSLAEQGVTKEVIPPYYSVKEVVLPFNKF
PGVDPLLGPEMRSTGEVMGVGRTFAEAFAKAQLGSNSTMKKHGRALLSVR
EGDKERVVDLAAKLLKQGFELDATHGTAIVLGEAGINPRLVNKVHEGRPH
IQDRIKNGEYTYIINTTSGRRAIEDSRVIRRSALQYKVHYDTTLNGGFAT
AMALNADATEKVISVQEMHAQIK
Ligand information
Ligand IDANP
InChIInChI=1S/C10H17N6O12P3/c11-8-5-9(13-2-12-8)16(3-14-5)10-7(18)6(17)4(27-10)1-26-31(24,25)28-30(22,23)15-29(19,20)21/h2-4,6-7,10,17-18H,1H2,(H,24,25)(H2,11,12,13)(H4,15,19,20,21,22,23)/t4-,6-,7-,10-/m1/s1
InChIKeyPVKSNHVPLWYQGJ-KQYNXXCUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(NP(=O)(O)O)O)O)O)N
CACTVS 3.370Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(=O)N[P](O)(O)=O)[CH](O)[CH]3O
CACTVS 3.370Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P](O)(=O)O[P](O)(=O)N[P](O)(O)=O)[C@@H](O)[C@H]3O
ACDLabs 12.01O=P(O)(O)NP(=O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
OpenEye OEToolkits 1.7.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(NP(=O)(O)O)O)O)O)N
FormulaC10 H17 N6 O12 P3
NamePHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
ChEMBLCHEMBL1230989
DrugBank
ZINCZINC000008660410
PDB chain1bxr Chain A Residue 1084 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1bxr Carbamoyl phosphate synthetase: closure of the B-domain as a result of nucleotide binding.
Resolution2.1 Å
Binding residue
(original residue number in PDB)		R675 V713 R715 L720 G721 G722 M725 D753 F755 L756 E761 A785 G786 V787 H788 Q829 E841 N843 R848
Binding residue
(residue number reindexed from 1)		R675 V713 R715 L720 G721 G722 M725 D753 F755 L756 E761 A785 G786 V787 H788 Q829 E841 N843 R848
Annotation score3
Binding affinityPDBbind-CN: -logKd/Ki=3.40,Ki=0.4mM
Enzymatic activity
Catalytic site (original residue number in PDB) R129 R169 M174 G176 K202 E215 H243 N283 Q285 E299 N301 R303 S307 D338 G507 K634 R715 G721 G722 S745 E761 D769 Q829 E841 N843 R848 P901
Catalytic site (residue number reindexed from 1) R129 R169 M174 G176 K202 E215 H243 N283 Q285 E299 N301 R303 S307 D338 G507 K634 R715 G721 G722 S745 E761 D769 Q829 E841 N843 R848 P901
Enzyme Commision number 6.3.4.16: carbamoyl-phosphate synthase (ammonia).
6.3.5.5: carbamoyl-phosphate synthase (glutamine-hydrolyzing).
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004087 carbamoyl-phosphate synthase (ammonia) activity
GO:0004088 carbamoyl-phosphate synthase (glutamine-hydrolyzing) activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016597 amino acid binding
GO:0016874 ligase activity
GO:0046872 metal ion binding
Biological Process
GO:0006221 pyrimidine nucleotide biosynthetic process
GO:0006526 L-arginine biosynthetic process
GO:0006541 glutamine metabolic process
GO:0008652 amino acid biosynthetic process
GO:0019856 pyrimidine nucleobase biosynthetic process
GO:0044205 'de novo' UMP biosynthetic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005951 carbamoyl-phosphate synthase complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1bxr, PDBe:1bxr, PDBj:1bxr
PDBsum1bxr
PubMed10029528
UniProtP00968|CARB_ECOLI Carbamoyl phosphate synthase large chain (Gene Name=carB)

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