6E4F

Crystal structure of ARQ 531 in complex with the kinase domain of BTK

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0004672	molecular_function	protein kinase activity
A	0004713	molecular_function	protein tyrosine kinase activity
A	0005524	molecular_function	ATP binding
A	0006468	biological_process	protein phosphorylation

Functional Information from PDB Data

site_id	AC1
Number of Residues	16
Details	binding site for residue HRA A 701

Chain	Residue
A	LEU408
A	LEU528
A	SER538
A	ASP539
A	PHE540
A	HOH845
A	HOH950
A	HOH979
A	ALA428
A	LYS430
A	MET449
A	ILE472
A	THR474
A	GLU475
A	MET477
A	ASN484

---

site_id	AC2
Number of Residues	8
Details	binding site for residue IMD A 702

Chain	Residue
A	ARG562
A	MET596
A	GLU599
A	PHE601
A	SER649
A	LEU652
A	ASP653
A	HOH1066

---

site_id	AC3
Number of Residues	5
Details	binding site for residue IMD A 703

Chain	Residue
A	CYS464
A	GLN467
A	PRO469
A	PHE471
A	HOH896

---

site_id	AC4
Number of Residues	6
Details	binding site for residue EDO A 704

Chain	Residue
A	TYR598
A	GLU599
A	ARG600
A	HOH858
A	HOH871
A	HOH971

---

site_id	AC5
Number of Residues	4
Details	binding site for residue EDO A 705

Chain	Residue
A	TYR511
A	SER514
A	HOH846
A	HOH888

---

Functional Information from PROSITE/UniProt

site_id	PS00107
Number of Residues	23
Details	PROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGTGQFGVVKyGkwrgqyd...........VAIK

Chain	Residue	Details
A	LEU408-LYS430

---

site_id	PS00109
Number of Residues	13
Details	PROTEIN_KINASE_TYR Tyrosine protein kinases specific active-site signature. FLHrDLAARNCLV

Chain	Residue	Details
A	PHE517-VAL529

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	ACT_SITE: Proton acceptor => ECO:0000255|PROSITE-ProRule:PRU00159, ECO:0000255|PROSITE-ProRule:PRU10028

Chain	Residue	Details
A	ASP521

---

site_id	SWS_FT_FI2
Number of Residues	2
Details	BINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00159

Chain	Residue	Details
A	LEU408
A	LYS430

---

site_id	SWS_FT_FI3
Number of Residues	1
Details	BINDING: BINDING => ECO:0000269|PubMed:20052711, ECO:0007744|PDB:3K54, ECO:0007744|PDB:3OCT

Chain	Residue	Details
A	THR474

---

site_id	SWS_FT_FI4
Number of Residues	1
Details	BINDING: BINDING => ECO:0000269|PubMed:21280133, ECO:0007744|PDB:3PIY

Chain	Residue	Details
A	LEU542

---

site_id	SWS_FT_FI5
Number of Residues	1
Details	MOD_RES: Phosphotyrosine; by LYN and SYK => ECO:0000269|PubMed:8630736, ECO:0000269|PubMed:9012831

Chain	Residue	Details
A	TYR551

---

site_id	SWS_FT_FI6
Number of Residues	1
Details	MOD_RES: Phosphoserine => ECO:0007744|PubMed:23186163

Chain	Residue	Details
A	SER604

---

site_id	SWS_FT_FI7
Number of Residues	1
Details	MOD_RES: Phosphotyrosine => ECO:0000269|PubMed:15375214

Chain	Residue	Details
A	TYR617

---

site_id	SWS_FT_FI8
Number of Residues	1
Details	MOD_RES: Phosphoserine => ECO:0000269|PubMed:15375214

Chain	Residue	Details
A	SER623

---

site_id	SWS_FT_FI9
Number of Residues	1
Details	MOD_RES: Phosphoserine => ECO:0007744|PubMed:19369195

Chain	Residue	Details
A	SER659

---