Structure of PDB 7a5y Chain B

Receptor sequence

>7a5yB (length=452) Species: 9606 (Homo sapiens) [Search protein sequence]

TMKVINDPIHGHIELHPLLVRIIDTPQFQRLRYIKQLGGGYYVFPGASHN
RFEHSLGVGYLAGCLVHALGEKQPELQISERDVLCVQIAGLCHDLGHGPF
SAMFDGRFIPLARPEVKWTHEQGSVMMFEHLINSNGIKPVMEQYGLIPEE
DICFIKEQIVGPLWPYKGRPENKSFLYEIVSNKRNGIDVDKWDYFARDCH
HLGIQNNFDYKRFIKFARVCEVDNELRICARDKEVGNLYDMFHTRNSLHR
RAYQHKVGNIIDTMITDAFLKADDYIEITGAGGKKYRISTAIDDMEAYTK
LTDNIFLEILYSTDPKLKDAREILKQIEYRNLFKYVGETQPKIKREDYES
LPKEVASAKPVKLKAEDFIVDVINMDYGMQEKNPIDHVSFYCKTAPNRAI
RITKNQVSQLLPEKFAEQLIRVYCKKVDRKSLYAARQYFVQWCADRNFTK
PQ

3D structure

PDB

7a5y Probing the Catalytic Mechanism and Inhibition of SAMHD1 Using the Differential Properties of R p - and S p -dNTP alpha S Diastereomers.

Chain

Resolution

2.29 Å

3D
structure

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Enzymatic activity

Enzyme Commision number

3.1.5.-

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)
BS01	T8T	B	K116 I118 D137 R145	K3 I5 D24 R32
BS02	T8T	B	Y155 V156 K377 V378 R451	Y42 V43 K256 V257 R330
BS03	T8T	B	V156 F157 I325 R372 H376	V43 F44 I204 R251 H255
BS04	FE	B	H167 H206 D207 D311	H54 H93 D94 D190
BS05	MG	B	D207 H233	D94 H120
BS06	T8T	B	Q149 L150 R164 H167 D207 A215 H233 D311 K312 Y315 D319 R366 Y374 Q375	Q36 L37 R51 H54 D94 A102 H120 D190 K191 Y194 D198 R245 Y253 Q254
BS07	T8T	B	R333 R352 K354 K523	R212 R231 K233 K393
BS08	T8T	B	V117 I118 N119	V4 I5 N6

External links

PDB	RCSB:7a5y, PDBe:7a5y, PDBj:7a5y
PDBsum	7a5y
PubMed	33988981
UniProt	Q9Y3Z3\|SAMH1_HUMAN Deoxynucleoside triphosphate triphosphohydrolase SAMHD1 (Gene Name=SAMHD1)

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