Download 2hhb.pdb and 3a0g.pdb from the PDB, and examine the file contents. What

Question

Download 2hhb.pdb and 3a0g.pdb from the PDB, and examine the file contents. What is the command you'd use to examine the contents of the file 2hhb.pdb? What is the command you'd use to look at the first 10 lines of 2hhb.pdb? What is the name of the protein whose structure is described in 2hhb.pdb? How large is the 2hhb.pdb file (in bytes)? What is the command you'd use to look this up? How many subunits does the protein 2HHB have? What are the first seven amino acids of subunit B chain of 2HHB? What are the 3-dimensional coordinates of the alpha carbon of the first amino acid of subunit A chain of 2HHB? Here, you will create a new subdirectory in the Downloads directory called PDB-FILES. rename files, and move them into this new subdirectory. What is the command you'd use to create this subdirectory? Rename the 2hhb.pdb file to 2HHB, and the 3a0c.pdb

Explanation / Answer

1)A Unix/Linux command which is use to read, modify or concatenate text files.
Cat command is the most commonly used for displaying the contents of a file.

Example: run this command in the terminal(linux/unix Operating system enrvironment)
Example: cat your_file_name
Here name of our file is 2hhb.pdb
So the answer or command to examine the contents of the file 2hhb.pdb is cat 2hhb.pdb

There are other commands to view a text file PDF,Documents,Images,auido and video files,etc.
1)less command
2)more command

2)head command is used to look or display the first 10 lines of a file is
So the answer is head -10 2hhb.pdb

3)du command is used to check or look the size of the file(or disk usage of the file)
To display size of the file in Bytes use -k option along with du command.
Example: du -k your_file_name
So the answer is du -k 2hhb.pdb

8)mkdir command is used to create a directory under any directory.
so the command is mkdir PDB-FILES

9)mv command is used to rename(changing the file name) the file.
So the command to rename a file is: mv 2hhb.pdb 2HHB
It renames the 2hhb.pdf file to 2HHB
If a file with name 2HHB is already existed, its old contents are replaced with 2hhb.pdb file.

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