The term nerve growth factor is identified in base64 scheme by the sequence bmVydmUgZ3Jvd3RoIGZhY3Rvcg==, while the MD5 signature is equal to 77e06156f386f1b9c370cee0acd55e53. The ASCII encoding of nerve growth factor in hexadecimal notation is 6e657276652067726f77746820666163746f72.