1K2P

Crystal structure of Bruton's tyrosine kinase domain

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
B	0004672	molecular_function	protein kinase activity
B	0004713	molecular_function	protein tyrosine kinase activity
B	0005524	molecular_function	ATP binding
B	0006468	biological_process	protein phosphorylation

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

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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

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	2
Details	ACT_SITE: Proton acceptor => ECO:0000255|PROSITE-ProRule:PRU00159, ECO:0000255|PROSITE-ProRule:PRU10028

Chain	Residue	Details
A	ASP521
B	ASP521

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site_id	SWS_FT_FI2
Number of Residues	4
Details	BINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00159

Chain	Residue	Details
A	LEU408
A	LYS430
B	LEU408
B	LYS430

---

site_id	SWS_FT_FI3
Number of Residues	2
Details	BINDING: BINDING => ECO:0000269|PubMed:20052711, ECO:0007744|PDB:3K54, ECO:0007744|PDB:3OCT

Chain	Residue	Details
A	THR474
B	THR474

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site_id	SWS_FT_FI4
Number of Residues	2
Details	BINDING: BINDING => ECO:0000269|PubMed:21280133, ECO:0007744|PDB:3PIY

Chain	Residue	Details
A	LEU542
B	LEU542

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site_id	SWS_FT_FI5
Number of Residues	2
Details	MOD_RES: Phosphotyrosine; by LYN and SYK => ECO:0000269|PubMed:8630736, ECO:0000269|PubMed:9012831

Chain	Residue	Details
A	TYR551
B	TYR551

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site_id	SWS_FT_FI6
Number of Residues	2
Details	MOD_RES: Phosphoserine => ECO:0007744|PubMed:23186163

Chain	Residue	Details
A	SER604
B	SER604

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site_id	SWS_FT_FI7
Number of Residues	2
Details	MOD_RES: Phosphotyrosine => ECO:0000269|PubMed:15375214

Chain	Residue	Details
A	TYR617
B	TYR617

---

site_id	SWS_FT_FI8
Number of Residues	2
Details	MOD_RES: Phosphoserine => ECO:0000269|PubMed:15375214

Chain	Residue	Details
A	SER623
B	SER623

---

site_id	SWS_FT_FI9
Number of Residues	2
Details	MOD_RES: Phosphoserine => ECO:0007744|PubMed:19369195

Chain	Residue	Details
A	SER659
B	SER659

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Catalytic Information from CSA

site_id	CSA1
Number of Residues	2
Details	Annotated By Reference To The Literature 1ir3

Chain	Residue	Details
A	ASP521
A	ARG525

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site_id	CSA2
Number of Residues	2
Details	Annotated By Reference To The Literature 1ir3

Chain	Residue	Details
B	ASP521
B	ARG525

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site_id	CSA3
Number of Residues	2
Details	Annotated By Reference To The Literature 1ir3

Chain	Residue	Details
A	ASP521
A	ALA523

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site_id	CSA4
Number of Residues	2
Details	Annotated By Reference To The Literature 1ir3

Chain	Residue	Details
B	ASP521
B	ALA523

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site_id	CSA5
Number of Residues	3
Details	Annotated By Reference To The Literature 1ir3

Chain	Residue	Details
A	ASP521
A	ALA523
A	ASN526

---

site_id	CSA6
Number of Residues	3
Details	Annotated By Reference To The Literature 1ir3

Chain	Residue	Details
B	ASP521
B	ALA523
B	ASN526

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