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Structure of PDB 6ph4 Chain B Binding Site BS03

Receptor Information

>6ph4 Chain B (length=460) Species: 224914 (Brucella melitensis bv. 1 str. 16M)

QATDPFRAAVEFTLMPMLITNPHLPDNPIVFANPAFLKLTGYEADEVMGR
NCRFLQGHGTDPAHVRAIKSAIAAEKPIDIDIINYKKSGEAFWNRLHISP
VHNANGRLQHFVSSQLDVTLELSRLVELEKERKTLSIETARSKDQLDYIV
EVANIGFWTREFYSGKMTCSAECRRIYGFTPDEPVHFDTILDLVVLEDRM
TVVQKAHQAVTGEPYSIEYRIVTRLGETRWLETRAKALTGENPLVLGIVQ
DVTERKKAEANKALVSREIAHRFKNSMAMVQSIANQTLRNTYDPEQANRL
FSERLRALSQAHDMLLKENWAGATIQQICATALAPFNSTFANRIHMSGPH
LLVSDRVTVALSLAFYELATNAVKYGALSNEKGVINITWAIMEDKGEKKF
HMRWAESRGPEVMQPARRGFGQRLLHSVLAEELKAKCDVEFAASGLLIDV
LAPITPEVFP

Ligand information

• Ligand ID: ACP
• InChI: InChI=1S/C11H18N5O12P3/c12-9-6-10(14-2-13-9)16(3-15-6)11-8(18)7(17)5(27-11)1-26-31(24,25)28-30(22,23)4-29(19,20)21/h2-3,5,7-8,11,17-18H,1,4H2,(H,22,23)(H,24,25)(H2,12,13,14)(H2,19,20,21)/t5-,7-,8-,11-/m1/s1
• InChIKey: UFZTZBNSLXELAL-IOSLPCCCSA-N
• SMILES:
  CACTVS 3.341: Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(=O)C[P](O)(O)=O)[CH](O)[CH]3O
  ACDLabs 10.04: O=P(O)(O)CP(=O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
  OpenEye OEToolkits 1.5.0: c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(CP(=O)(O)O)O)O)O)N
  OpenEye OEToolkits 1.5.0: c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@@](=O)(O)O[P@](=O)(CP(=O)(O)O)O)O)O)N
  CACTVS 3.341: Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@](O)(=O)O[P@](O)(=O)C[P](O)(O)=O)[C@@H](O)[C@H]3O
• Formula: C11 H18 N5 O12 P3
• Name: PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER;
  ADENOSINE-5'-[BETA, GAMMA-METHYLENE]TRIPHOSPHATE
• ChEMBL: CHEMBL133463
• DrugBank: DB03909
• ZINC: ZINC000008295124
• PDB chain: 6ph4 Chain B Residue 505

Receptor-Ligand Complex Structure

Structure summary

• PDB: 6ph4 Dimer Asymmetry and Light Activation Mechanism in Brucella Blue-Light Sensor Histidine Kinase.
• Resolution: 3.25 Å
• Binding residue (original residue number in PDB): R321 N388 K391 Y392 E423 P432 G436 F437 G438 L463
• Binding residue (residue number reindexed from 1): R304 N371 K374 Y375 E406 P415 G419 F420 G421 L446
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 2.7.13.3: histidine kinase.

Gene Ontology

Molecular Function

• GO:0004673 protein histidine kinase activity
• GO:0005524 ATP binding
• GO:0009881 photoreceptor activity
• GO:0016301 kinase activity

Biological Process

• GO:0016310 phosphorylation
• GO:0018106 peptidyl-histidine phosphorylation

External links

• PDB: RCSB:6ph4, PDBe:6ph4, PDBj:6ph4
• PDBsum: 6ph4
• PubMed: 33879593
• UniProt: Q8YC53|LOVHK_BRUME Blue-light-activated histidine kinase (Gene Name=BMEII0679)

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