Structure of PDB 1qrk Chain A Binding Site BS01

Receptor Information
>1qrk Chain A (length=700) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GGRRAVPPNNSNAAEDDLPTVELNVTSVHLFKERWDTNKVDHHTDKYENN
KLIVRRGQSFYVQIDFSRPYDPRRDLFRVEYVIGRYPQENKGTYIPVPIV
SELQSGKWGAKIVMREDRSVRLSIQSSPKCIVGKFRMYVAVWTPYGVLRT
SRNPETDTYILFNPWCEDDAVYLDNEKEREEYVLNDIGVIFYGEVNDIKT
RSWSYGQFEDGILDTCLYVMDRAQMDLSGRGNPIKVSRVGSAMVNAKDDE
GVLVGSWDNIYAYGVPPSAWTGSVDILLEYRSSENPVRYGQCWVFAGVFN
TFLRCLGIPARIVTNYFSAHDNDANLQMDIFLEEDGNVNSKLTKDSVWNY
HCWNEAWMTRPDLPVGFGGWQAVDSTPQENSDGMYRCGPASVQAIKHGHV
CFQFDAPFVFAEVNSDLIYITAKKDGTHVVENVDATHIGKLIVTKQIGGD
GMMDITDTYKFQEGQEEERLALETALMYGAKKPLNTEGVNVDMDFEVENA
VLGKDFKLSITFRNNSHNRYTITAYLSANITFYTGVPKAEFKKETFDVTL
EPLSFKKEAVLIQAGEYMGQLLEQASLHFFVTARINETRDVLAKQKSTVL
TIPEIIIKVRGTQVVGSDMTVTVEFTNPLKETLRNVWVHLDGPGVTRPMK
KMFREIRPNSTVQWEEVCRPWVSGHRKLIASMSSDSLRHVYGELDVQIQR
Ligand information
Ligand IDSR
InChIInChI=1S/Sr/q+2
InChIKeyPWYYWQHXAPXYMF-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Sr++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Sr+2]
FormulaSr
NameSTRONTIUM ION
ChEMBL
DrugBank
ZINC
PDB chain1qrk Chain A Residue 732 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1qrk Identification of the calcium binding site and a novel ytterbium site in blood coagulation factor XIII by x-ray crystallography.
Resolution2.5 Å
Binding residue
(original residue number in PDB)		A457 E485
Binding residue
(residue number reindexed from 1)		A435 E463
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) W279 C314 H373 D396 Y560
Catalytic site (residue number reindexed from 1) W257 C292 H351 D374 Y533
Enzyme Commision number 2.3.2.13: protein-glutamine gamma-glutamyltransferase.
Gene Ontology
Molecular Function
GO:0003810 protein-glutamine gamma-glutamyltransferase activity
GO:0005515 protein binding
GO:0016746 acyltransferase activity
GO:0046872 metal ion binding
Biological Process
GO:0007596 blood coagulation
GO:0018149 peptide cross-linking
GO:0072378 blood coagulation, fibrin clot formation
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005737 cytoplasm
GO:0031093 platelet alpha granule lumen
GO:0062023 collagen-containing extracellular matrix
GO:0072562 blood microparticle
GO:1990234 transferase complex

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1qrk, PDBe:1qrk, PDBj:1qrk
PDBsum1qrk
PubMed9988734
UniProtP00488|F13A_HUMAN Coagulation factor XIII A chain (Gene Name=F13A1)

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