Structure of PDB 5h74 Chain C

Receptor sequence

>5h74C (length=440) Species: 9823 (Sus scrofa)

MRECISIHVGQAGVQIGNACWELYCLEHGIQPDGQMPSDKTIGGGDDSFN
TFFSETGAGKHVPRAVFVDLEPTVIDEVRTGTYRQLFHPEQLITGKEDAA
NNYARGHYTIGKEIIDLVLDRIRKLADQCTGLQGFLVFHSFGGGTGSGFT
SLLMERLSVDYGKKSKLEFSIYPAPQVSTAVVEPYNSILTTHTTLEHSDC
AFMVDNEAIYDICRRNLDIERPTYTNLNRLISQIVSSITASLRFDGALNV
DLTEFQTNLVPYPRIHFPLATYAPVISAEKAYHEQLSVAEITNACFEPAN
QMVKCDPRHGKYMACCLLYRGDVVPKDVNAAIATIKTKRSIQFVDWCPTG
FKVGINYQPPTVVPGGDLAKVQRAVCMLSNTTAIAEAWARLDHKFDLMYA
KRAFVHWYVGEGMEEGEFSEAREDMAALEKDYEEVGVDSV

3D structure

• PDB: 5h74 Structure-Activity Relationship Studies of Tubulysin Analogues: Anticancer N-Alkyltubulysins with Subpicomolar Activity and the Crystal Structure Binding to Tubulin
• Chain: C
• Resolution: 2.6 Å

Enzymatic activity

• Enzyme Commision number: 3.6.5.-

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)	Binding affinity
BS01	7LG	C	L248 V250 P325 N329 F351 V353	L248 V250 P325 N329 F351 V353
BS02	GTP	C	G10 Q11 A12 Q15 A99 N101 S140 G143 G144 T145 G146 I171 V177 E183 N206 Y224 N228	G10 Q11 A12 Q15 A99 N101 S140 G143 G144 T145 G146 I171 V177 E183 N206 Y224 N228
BS03	CA	C	D39 T41 G44 E55	D39 T41 G44 E55

Gene Ontology

Molecular Function

• GO:0003924 GTPase activity
• GO:0005200 structural constituent of cytoskeleton
• GO:0005525 GTP binding
• GO:0016787 hydrolase activity
• GO:0046872 metal ion binding

Biological Process

• GO:0000226 microtubule cytoskeleton organization
• GO:0000278 mitotic cell cycle
• GO:0007017 microtubule-based process

Cellular Component

• GO:0005737 cytoplasm
• GO:0005856 cytoskeleton
• GO:0005874 microtubule
• GO:0015630 microtubule cytoskeleton

External links

• PDB: RCSB:5h74, PDBe:5h74, PDBj:5h74
• PDBsum: 5h74
• UniProt: Q2XVP4|TBA1B_PIG Tubulin alpha-1B chain (Gene Name=TUBA1B)